Add GUI to connect to SQL

(*********************************************************************************)
(*                                                                               *)
(* Below is the list of support classes that can be used from within the Pascal  *)
(* script. There are also three support objects available: MainForm of type      *)
(* TMainForm, WizardForm of type TWizardForm and UninstallProgressForm of type   *)
(* TUninstallProgressForm and one special constant: crHand of type               *)
(* TControl.Cursor.                                                              *)
(* Note: MainForm is only visible if WindowVisible is set to yes.                *)
(* Note: you may find it useful to also refer to the Delphi Visual Component     *)
(* Library (VCL) Help files by Embarcadero Technologies, since the classes below *)
(* are mostly simple wrappers around the VCL classes Inno Setup uses internally. *)
(* See http://docs.embarcadero.com/products/rad_studio/ .                        *)
(*                                                                               *)
(*********************************************************************************)

Type
  TObject = class
    constructor Create;
    procedure Free;
  end;

  TBits = class(TObject)
    function OpenBit: Integer;
    property Bits[Index: Integer]: Boolean; read write;
    property Size: Integer; read write;
  end;

  TPersistent = class(TObject)
    procedure Assign(Source: TPersistent);
  end;

  TStream = class(TObject)
    function Read(Buffer: String; Count: Longint): Longint;
    function Write(Buffer: String; Count: Longint): Longint;
    function Seek(Offset: Longint; Origin: Word): Longint;
    procedure ReadBuffer(Buffer: String; Count: Longint);
    procedure WriteBuffer(Buffer: String; Count: Longint);
    function CopyFrom(Source: TStream; Count: Int64): Longint;
    property Position: Longint; read write;
    property Size: Longint; read write;
  end;

  TParser = class(TObject)
    constructor Create(Stream: TStream);
    procedure CheckToken(T: Char);
    procedure CheckTokenSymbol(S: String);
    procedure Error(Ident: Integer);
    procedure ErrorStr(Message: String);
    procedure HexToBinary(Stream: TStream);
    function NextToken: Char;
    function SourcePos: Longint;
    function TokenComponentIdent: String;
    function TokenFloat: Extended;
    function TokenInt: Longint;
    function TokenString: String;
    function TokenSymbolIs(S: String): Boolean;
    property SourceLine: Integer; read;
    property Token: Char; read;
  end;

  TCollectionItem = class(TPersistent)
    constructor Create(Collection: TCollection);
    property Collection: TCollection; read write;
    property Index: Integer; read write;
  end;

  TCollection = class(TPersistent)
    function Add: TCollectionItem;
    procedure BeginUpdate;
    procedure Clear;
    procedure EndUpdate;
    property Count: Integer; read;
    property Items[Index: Integer]: TCollectionItem; read write;
  end;

  HMENU = Cardinal;

  HAccel = Cardinal;

  Exception = class(TObject)
  end;

  EMenuError = class(Exception)
  end;

  TMenuBreak = (mbNone, mbBreak, mbBarBreak);

  TShortCut = Word;

  TIMAGEINDEX = Integer;

  TMenuItem = class(TComponent)
    constructor Create(AOwner: TComponent);
    procedure Insert(Index: Integer; Item: TMenuItem);
    procedure Delete(Index: Integer);
    procedure Click;
    function IndexOf(Item: TMenuItem): Integer;
    function GetParentComponent: TComponent;
    function HasParent: Boolean;
    procedure Add(Item: TMenuItem);
    procedure Remove(Item: TMenuItem);
    property Command: Word; read;
    property Handle: HMENU; read;
    property Count: Integer; read;
    property Items[Index: Integer]: TMenuItem; read;
    property MenuIndex: Integer; read write;
    property Parent: TMenuItem; read;
    property Caption: String; read write;
    property Checked: Boolean; read write;
    property Default: Boolean; read write;
    property Enabled: Boolean; read write;
    property GroupIndex: Byte; read write;
    property HelpContext: THelpContext; read write;
    property Hint: String; read write;
    property RadioItem: Boolean; read write;
    property ShortCut: TShortCut; read write;
    property Visible: Boolean; read write;
    property OnClick: TNotifyEvent; read write;
    property ImageIndex: TImageIndex; read write;
  end;

  TMenuChangeEvent = procedure (Sender: TObject; Source: TMenuItem; Rebuild: Boolean);

  TFindItemKind = (fkCommand, fkHandle, fkShortCut);

  TWMMenuChar = record
    Msg: Cardinal;
    User: Char;
    MenuFlag: Word; { MF_POPUP, MF_SYSMENU }
    Menu: HMENU;
    Result: Longint;
  end;

  TMenuItemAutoFlag = (maAutomatic, maManual, maParent);
  TMenuAutoFlag = TMenuItemAutoFlag;

  TBiDiMode = (bdLeftToRight, bdRightToLeft, bdRightToLeftNoAlign, bdRightToLeftReadingOnly);

  TMenu = class(TComponent)
    constructor Create(AOwner: TComponent);
    function DispatchCommand(ACommand: Word): Boolean;
    function DispatchPopup(AHandle: HMENU): Boolean;
    function FindItem(Value: Integer; Kind: TFindItemKind): TMenuItem;
    function GetHelpContext(Value: Integer; ByCommand: Boolean): THelpContext;
    property Handle: HMENU; read;
    property WindowHandle: HWnd; read write;
    property Items: TMenuItem; read;
    property Images: TCustomImageList; read write;
    function IsRightToLeft: Boolean;
    procedure ParentBiDiModeChanged(AControl: TObject);
    procedure ProcessMenuChar(var Message: TWMMenuChar);
    property AutoHotkeys: TMenuAutoFlag; read write;
    property AutoLineReduction: TMenuAutoFlag; read write;
    property BiDiMode: TBiDiMode; read write;
    property OwnerDraw: Boolean; read write;
    property ParentBiDiMode: Boolean; read write;
  end;

  TMainMenu = class(TMenu)
    procedure Merge(Menu: TMainMenu);
    procedure Unmerge(Menu: TMainMenu);
    procedure PopulateOle2Menu(SharedMenu: HMENU; Groups: TArrayOfInteger; var Widths: TArrayOfInteger);
    procedure GetOle2AcceleratorTable(var AccelTable: HAccel; var AccelCount: Integer; Groups: TArrayOfInteger);
    procedure SetOle2MenuHandle(Handle: HMENU);
    property AutoMerge: Boolean; read write;
  end;

  TPopupAlignment = (paLeft, paRight, paCenter);

  TTrackButton = (tbRightButton, tbLeftButton);
  TMenuAnimations = (maLeftToRight, maRightToLeft, maTopToBottom, maBottomToTop, maNone);
  TMenuAnimation = set of TMenuAnimations;

  TPopupMenu = class(TMenu)
    constructor Create(AOwner: TComponent);
    procedure Popup(X, Y: Integer);
    property PopupComponent: TComponent; read write;
    property Alignment: TPopupAlignment; read write;
    property AutoPopup: Boolean; read write;
    property HelpContext: THelpContext; read write;
    property OnPopup: TNotifyEvent; read write;
    property MenuAnimation: TMenuAnimation; read write;
    property TrackButton: TTrackButton; read write;
  end;

  TComponentStateE = (csLoading, csReading, csWriting, csDestroying, csDesigning, csAncestor, csUpdating, csFixups, csFreeNotification, csInline, csDesignInstance);

  TComponentState = set of TComponentStateE;
  
  TComponent = class(TPersistent)
    function FindComponent(AName: String): TComponent;
    constructor Create(AOwner: TComponent);
    property Owner: TComponent; read write;
    property Components[Index: Integer]: TComponent; read;
    property ComponentCount: Integer; read;
    property ComponentIndex: Integer; read write;
    property ComponentState: Byte; read;
    property Name: String; read write;
    property Tag: Longint; read write;
    procedure DestroyComponents;
    procedure Destroying;
    procedure FreeNotification(AComponent: TComponent);
    procedure InsertComponent(AComponent: TComponent);
    procedure RemoveComponent(AComponent: TComponent);
    property DesignInfo: Longint; read write;
  end;

  TTimer = class(TComponent)
    property Enabled: Boolean; read write;
    property Interval: Cardinal; read write;
    property OnTimer: TNotifyEvent; read write;
  end;

  TStrings = class(TPersistent)
    function Add(S: String): Integer;
    procedure Append(S: String);
    procedure AddStrings(Strings: TStrings);
    procedure Clear;
    procedure Delete(Index: Integer);
    function IndexOf(const S: String): Integer;
    procedure Insert(Index: Integer; S: String);
    property Count: Integer; read;
    property Text: String; read write;
    property CommaText: String; read write;
    procedure LoadFromFile(FileName: String);
    procedure SaveToFile(FileName: String);
    property Strings[Index: Integer]: String; read write;
    property Objects[Index: Integer]: TObject; read write;
    procedure BeginUpdate;
    procedure EndUpdate;
    function Equals(Strings: TStrings): Boolean;
    procedure Exchange(Index1, Index2: Integer);
    function IndexOfName(Name: String): Integer;
    procedure LoadFromStream(Stream: TStream);
    procedure Move(CurIndex, NewIndex: Integer);
    procedure SaveToStream(Stream: TStream);
    procedure SetText(Text: PChar);
    property Names[Index: Integer]: String; read;
    property Values[Name: String]: String; read write;
    function AddObject(S: String; AObject: TObject): Integer;
    function GetText: PChar;
    function IndexOfObject(AObject: TObject): Integer;
    procedure InsertObject(Index: Integer; S: String; AObject: TObject);
  end;

  TAlignment = (taLeftJustify, taRightJustify, taCenter);

  THelpEvent = function (Command: Word; Data: Longint; var CallHelp: Boolean): Boolean;

  TGetStrProc = procedure(const S: String);

  TDuplicates = (dupIgnore, dupAccept, dupError);

  TOperation = (opInsert, opRemove);

  THandle = Longint;

  TNotifyEvent = procedure(Sender: TObject);

  TStringList = class(TStrings)
    function Find(S: String; var Index: Integer): Boolean;
    procedure Sort;
    property Duplicates: TDuplicates; read write;
    property Sorted: Boolean; read write;
    property OnChange: TNotifyEvent; read write;
    property OnChanging: TNotifyEvent; read write;
  end;

  THandleStream = class(TStream)
    constructor Create(AHandle: Integer);
    property Handle: Integer; read;
  end;

  TFileStream = class(THandleStream)
    constructor Create(Filename: String; Mode: Word);
  end;

  TCustomMemoryStream = class(TStream)
    procedure SaveToStream(Stream: TStream);
    procedure SaveToFile(FileName: String);
  end;

  TMemoryStream = class(TCustomMemoryStream)
    procedure Clear;
    procedure LoadFromStream(Stream: TStream);
    procedure LoadFromFile(FileName: String);
    procedure SetSize(NewSize: Longint);
  end;

  TResourceStream = class(TCustomMemoryStream)
    constructor Create(Instance: THandle; ResName: String; ResType: Integer);
    constructor CreateFromID(Instance: THandle; ResID: Integer; ResType: Integer);
  end;

  TGraphicsObject = class(TPersistent)
    property OnChange: TNotifyEvent; read write;
  end;

  TFontStyle = (fsBold, fsItalic, fsUnderline, fsStrikeOut);

  TFontStyles = set of TFontStyle;

  TFontPitch = (fpDefault, fpVariable, fpFixed);

  TFont = class(TGraphicsObject)
    constructor Create;
    property Handle: Integer; read;
    property Color: Integer; read write;
    property Height: Integer; read write;
    property Name: String; read write;
    property Pitch: Byte; read write;
    property Size: Integer; read write;
    property PixelsPerInch: Integer; read write;
    property Style: TFontStyles; read write;
  end;

  TRect = record
    Left, Top, Right, Bottom: Integer;
  end;
  
  TPenMode = (pmBlack, pmWhite, pmNop, pmNot, pmCopy, pmNotCopy, pmMergePenNot, pmMaskPenNot, pmMergeNotPen, pmMaskNotPen, pmMerge, pmNotMerge, pmMask, pmNotMask, pmXor, pmNotXor);

  TPenStyle = (psSolid, psDash, psDot, psDashDot, psDashDotDot, psClear, psInsideFrame);

  TPen = class(TGraphicsObject)
    constructor Create;
    property Color: TColor; read write;
    property Mode: TPenMode; read write;
    property Style: TPenStyle; read write;
    property Width: Integer; read write;
  end;

  TBrushStyle = (bsSolid, bsClear, bsHorizontal, bsVertical, bsFDiagonal, bsBDiagonal, bsCross, bsDiagCross);

  TColor = integer;

  HBITMAP = Integer;

  HPALETTE = Integer;

  TBrush = class(TGraphicsObject)
    constructor Create;
    property Color: TColor; read write;
    property Style: TBrushStyle; read write;
  end;

  TCanvas = class(TPersistent)
    procedure Arc(X1, Y1, X2, Y2, X3, Y3, X4, Y4: Integer);
    procedure Chord(X1, Y1, X2, Y2, X3, Y3, X4, Y4: Integer);
    procedure Draw(X, Y: Integer; Graphic: TGraphic);
    procedure Ellipse(X1, Y1, X2, Y2: Integer);
    procedure FillRect(const Rect: TRect);
    procedure FloodFill(X, Y: Integer; Color: TColor; FillStyle: Byte);
    procedure LineTo(X, Y: Integer);
    procedure MoveTo(X, Y: Integer);
    procedure Pie(X1, Y1, X2, Y2, X3, Y3, X4, Y4: Integer);
    procedure Rectangle(X1, Y1, X2, Y2: Integer);
    procedure Refresh;
    procedure RoundRect(X1, Y1, X2, Y2, X3, Y3: Integer);
    function TextHeight(Text: String): Integer;
    procedure TextOut(X, Y: Integer; Text: String);
    function TextWidth(Text: String): Integer;
    property Handle: Integer; read write;
    property Pixels: Integer; read write;
    property Brush: TBrush; read;
    property CopyMode: Byte; read write;
    property Font: TFont; read;
    property Pen: TPen; read;
  end;

  TGraphic = class(TPersistent)
    procedure LoadFromFile(const Filename: String);
    procedure SaveToFile(const Filename: String);
    property Empty: Boolean; read write;
    property Height: Integer; read write;
    property Modified: Boolean; read write;
    property Width: Integer; read write;
    property OnChange: TNotifyEvent; read write;
  end;

  TBitmap = class(TGraphic)
    procedure LoadFromStream(Stream: TStream);
    procedure SaveToStream(Stream: TStream);
    property Canvas: TCanvas; read write;
    property Handle: HBITMAP; read write;
    procedure Dormant;
    procedure FreeImage;
    procedure LoadFromClipboardFormat(AFormat: Word; AData: THandle; APalette: HPALETTE);
    procedure LoadFromResourceName(Instance: THandle; const ResName: String);
    procedure LoadFromResourceID(Instance: THandle; ResID: Integer);
    function ReleaseHandle: HBITMAP;
    function ReleasePalette: HPALETTE;
    procedure SaveToClipboardFormat(var AFormat: Word; var AData: THandle; var APalette: HPALETTE);
    property Monochrome: Boolean; read write;
    property Palette: HPALETTE; read write;
    property IgnorePalette: Boolean; read write;
    property TransparentColor: TColor; read write;
  end;

  HICON = Integer;

  TIcon = class(TGraphic)
    procedure LoadFromStream(Stream: TStream);
    procedure SaveToStream(Stream: TStream);
    function ReleaseHandle: HICON;
    property Handle: HICON; read write;
  end;

  TNewIcon = class(TGraphic)
    procedure LoadFromStream(Stream: TStream);
    procedure SaveToStream(Stream: TStream);
    procedure LoadFromResourceName(Instance: THandle; const ResName: String);
    procedure LoadFromResourceID(Instance: THandle; ResID: Integer);
    function ReleaseHandle: HICON;
    property Handle: HICON; read write;
  end;

  TAlign = (alNone, alTop, alBottom, alLeft, alRight, alClient);

  TDragMode = (dmManual, dmAutomatic);
  
  TDragState = (dsDragEnter, dsDragLeave, dsDragMove);
  
  TDragKind = (dkDrag, dkDock);
  
  TDragOverEvent = procedure(Sender, Source: TObject; X, Y: Integer; State: TDragState; var Accept: Boolean);
  
  TDragDropEvent = procedure(Sender, Source: TObject;X, Y: Integer);
  
  TEndDragEvent = procedure(Sender, Target: TObject; X, Y: Integer);

  TDragObject = class(TObject)
    function GetName: String;
    procedure HideDragImage;
    function Instance: Longint;
    procedure ShowDragImage;
  end;

  TStartDragEvent = procedure(Sender: TObject; var DragObject: TDragObject);

  TControl = class(TComponent)
    constructor Create(AOwner: TComponent);
    procedure BringToFront;
    procedure Hide;
    procedure Invalidate;
    procedure Refresh;
    procedure Repaint;
    procedure SendToBack;
    procedure Show;
    procedure Update;
    procedure SetBounds(ALeft, ATop, AWidth, AHeight: Integer);
    property Parent: TWinControl; read write;
    property Left: Integer; read write;
    property Top: Integer; read write;
    property Width: Integer; read write;
    property Height: Integer; read write;
    property Hint: String; read write;
    property Align: TAlign; read write;
    property ClientHeight: Longint; read write;
    property ClientWidth: Longint; read write;
    property ShowHint: Boolean; read write;
    property ParentShowHint: Boolean; read write;
    property Visible: Boolean; read write;
    property Enabled: Boolean; read write;
    property Cursor: Integer; read write;
    function Dragging: Boolean;
    function HasParent: Boolean;
    procedure BeginDrag(Immediate: Boolean);
    function ClientToScreen(Point: TPoint): TPoint;
    procedure EndDrag(Drop: Boolean);
    function GetTextBuf(Buffer: PChar; BufSize: Integer): Integer;
    function GetTextLen: Integer;
    procedure SetTextBuf(Buffer: PChar);
    function Perform(Msg: Cardinal; WParam, LParam: Longint): Longint;
    function ScreenToClient(Point: TPoint): TPoint;
  end;

  TWinControl = class(TControl)
    property Handle: Longint; read write;
    property Showing: Boolean; read;
    property TabOrder: Integer; read write;
    property TabStop: Boolean; read write;
    function CanFocus: Boolean;
    function Focused: Boolean;
    property Controls[Index: Integer]: TControl; read;
    property ControlCount: Integer; read;
    function HandleAllocated: Boolean;
    procedure HandleNeeded;
    procedure EnableAlign;
    procedure RemoveControl(AControl: TControl);
    procedure InsertControl(AControl: TControl);
    procedure Realign;
    procedure ScaleBy(M, D: Integer);
    procedure ScrollBy(DeltaX, DeltaY: Integer);
    procedure SetFocus;
    procedure PaintTo(DC: HDC; X, Y: Integer);
    function ContainsControl(Control: TControl): Boolean;
    procedure DisableAlign;
    procedure UpdateControlState;
    property Brush: TBrush; read;
    property HelpContext: Longint; read write;
  end;

  TGraphicControl = class(TControl)
  end;

  TCustomControl = class(TWinControl)
  end;

  TFieldChangeEvent = procedure(Sender: TObject; OldField, Value: Byte);

  TIPAddressEdit = class(TCustomControl)
    procedure SetFieldFocus(Field: Byte);
    function IsBlank: Boolean;
    property Field1Value: Byte; read write;
    property Field2Value: Byte; read write;
    property Field3Value: Byte; read write;
    property Field4Value: Byte; read write;
    property Field1Max: Byte; read write;
    property Field1Min: Byte; read write;
    property Field2Max: Byte; read write;
    property Field2Min: Byte; read write;
    property Field3Max: Byte; read write;
    property Field3Min: Byte; read write;
    property Field4Max: Byte; read write;
    property Field4Min: Byte; read write;
    property IPValue: LongWord; read write;
    property OnChange: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property OnFieldChange: TFieldChangeEvent; read write;
    property InitClear: Boolean; read write;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
  end;

  TNewGroupBox = class(TCustomControl)
    property Caption: String; read write;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property Ctl3D: Boolean; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property ParentCtl3D: Boolean; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property ParentBackground: Boolean; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TScrollBarKind = (sbHorizontal, sbVertical);

  TScrollBarInc = SmallInt;

  TControlScrollBar = class(TPersistent)
    property Kind: TScrollBarKind; read;
    property ScrollPos: Integer; read;
    property Margin: Word; read write;
    property Increment: TScrollBarInc; read write;
    property Range: Integer; read write;
    property Position: Integer; read write;
    property Tracking: Boolean; read write;
    property Visible: Boolean; read write;
  end;

  TScrollingWinControl = class(TWinControl)
    procedure ScrollInView(AControl: TControl);
    property HorzScrollBar: TControlScrollBar; read write;
    property VertScrollBar: TControlScrollBar; read write;
  end;

  TIdleEvent = procedure(Sender: TObject; var Done: Boolean);

  TFormBorderStyle = (bsNone, bsSingle, bsSizeable, bsDialog, bsToolWindow, bsSizeToolWin);
  TBorderStyle = TFormBorderStyle;

  TWindowState = (wsNormal, wsMinimized, wsMaximized);

  TFormStyle = (fsNormal, fsMDIChild, fsMDIForm, fsStayOnTop);

  TBorderIcon = (biSystemMenu, biMinimize, biMaximize, biHelp);
  TBorderIcons = set of TBorderIcon;

  TPosition = (poDesigned, poDefault, poDefaultPosOnly, poDefaultSizeOnly, poScreenCenter, poDesktopCenter, poMainFormCenter, poOwnerFormCenter);

  TPrintScale = (poNone, poProportional, poPrintToFit);

  TCloseAction = (caNone, caHide, caFree, caMinimize);

  TCloseEvent = procedure(Sender: TObject; var Action: TCloseAction);

  TCloseQueryEvent = procedure(Sender: TObject; var CanClose: Boolean);

  TEShiftState = (ssShift, ssAlt, ssCtrl, ssLeft, ssRight, ssMiddle, ssDouble, ssMeta, ssSuper, ssHyper, ssAltGr, ssCaps, ssNum, ssScroll, ssTriple, ssQuad);
  TShiftState = set of TEShiftState;

  TKeyEvent = procedure(Sender: TObject; var Key: Word; Shift: TShiftState);

  TKeyPressEvent = procedure(Sender: TObject; var Key: Char);

  THelpContext = Longint;

  TScrollBox = class(TScrollingWinControl)
    property BorderStyle: TBorderStyle; read write;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property AutoScroll: Boolean; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property OnResize: TNotifyEvent; read write;
    property DragCursor: TCursor; read write;
    property DragMode: TDragMode; read write;
    property PopupMenu: TPopupMenu; read write;
    property Ctl3D: Boolean; read write;
    property ParentCtl3D: Boolean; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TTileMode = (tbHorizontal, tbVertical);

  TForm = class(TScrollingWinControl)
    constructor CreateNew(AOwner: TComponent);
    procedure Close;
    procedure Hide;
    procedure Show;
    function ShowModal: Integer;
    procedure Release;
    property Active: Boolean; read;
    property ActiveControl: TWinControl; read write;
    property BorderIcons: TBorderIcons; read write;
    property BorderStyle: TFormBorderStyle; read write;
    property Caption: String; read write;
    property AutoScroll: Boolean; read write;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property FormStyle: TFormStyle; read write;
    property KeyPreview: Boolean; read write;
    property Position: TPosition; read write;
    property OnActivate: TNotifyEvent; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnClose: TCloseEvent; read write;
    property OnCloseQuery: TCloseQueryEvent; read write;
    property OnCreate: TNotifyEvent; read write;
    property OnDestroy: TNotifyEvent; read write;
    property OnDeactivate: TNotifyEvent; read write;
    property OnHide: TNotifyEvent; read write;
    property OnKeyDown: TKeyEvent; read write;
    property OnKeyPress: TKeyPressEvent; read write;
    property OnKeyUp: TKeyEvent; read write;
    property OnResize: TNotifyEvent; read write;
    property OnShow: TNotifyEvent; read write;
    procedure ArrangeIcons;
    procedure Print;
    procedure SendCancelMode(Sender: TControl);
    property ActiveOLEControl: TWinControl; read write;
    property OleFormObject: TOLEFORMOBJECT; read write;
    property ClientHandle: Longint; read;
    property TileMode: TTileMode; read write;
    procedure Cascade;
    function CloseQuery: Boolean;
    procedure DefocusControl(Control: TWinControl; Removing: Boolean);
    procedure FocusControl(Control: TWinControl);
    procedure Next;
    procedure Previous;
    function SetFocusedControl(Control: TWinControl): Boolean;
    procedure Tile;
    property ActiveMDIChild: TForm; read;
    property Canvas: TCanvas; read;
    property DropTarget: Boolean; read write;
    property ModalResult: Longint; read write;
    property MDIChildCount: Integer; read;
    property MDIChildren[I: Integer]: TForm; read;
    property Icon: TIcon; read write;
    property Menu: TMainMenu; read write;
    property ObjectMenuItem: TMenuItem; read write;
    property PixelsPerInch: Integer; read write;
    property PrintScale: TPrintScale; read write;
    property Scaled: Boolean; read write;
    property WindowState: TWindowState; read write;
    property WindowMenu: TMenuItem; read write;
    property Ctl3D: Boolean; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDockOver: TDockOverEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnPaint: TNotifyEvent; read write;
    property DoubleBuffered: Boolean; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TMsg = record
    hwnd: HWND;
    message: LongWord;
    wParam: Longint;
    lParam: Longint;
    time: LongWord;
    pt: TPoint;
  end;

  TMessageEvent = procedure (var Msg: TMsg; var Handled: Boolean);

  TApplication = class(TComponent)
    procedure BringToFront;
    function MessageBox(Text, Caption: PChar; Flags: Word): Integer;
    procedure Minimize;
    procedure ProcessMessages;
    procedure Restore;
    procedure Terminate;
    property Active: Boolean; read;
    property ExeName: String; read;
    property Handle: Longint; read;
    property UpdateFormatSettings: Boolean; read write;
    property Hint: String; read write;
    property MainForm: TForm; read;
    property ShowHint: Boolean; read write;
    property ShowMainForm: Boolean; read write;
    property Terminated: Boolean; read;
    property Title: String; read write;
    property OnActivate: TNotifyEvent; read write;
    property OnDeactivate: TNotifyEvent; read write;
    property OnIdle: TIdleEvent; read write;
    property OnHint: TNotifyEvent; read write;
    property OnMinimize: TNotifyEvent; read write;
    property OnRestore: TNotifyEvent; read write;
    procedure ControlDestroyed(Control: TControl);
    procedure CancelHint;
    procedure HandleException(Sender: TObject);
    procedure HandleMessage;
    procedure HideHint;
    procedure Initalize;
    procedure NormalizeTopMosts;
    procedure RestoreTopMosts;
    procedure Run;
    function HelpCommand(Command: Integer; Data: Longint): Boolean;
    function HelpContext(Context: THelpContext): Boolean;
    function HelpJump(JumpID: String): Boolean;
    property DialogHandle: Longint; read write;
    procedure CreateHandle;
    property HelpFile: String; read write;
    property HintColor: TColor; read write;
    property HintPause: Integer; read write;
    property HintShortPause: Integer; read write;
    property HintHidePause: Integer; read write;
    property Icon: TIcon; read write;
    property OnHelp: THelpEvent; read write;
    property OnMessage: TMessageEvent; read write;
  end;

  TScreen = class(TComponent)
    property ActiveControl: TWinControl; read;
    property ActiveForm: TForm; read;
    property Cursor: TCursor; read write;
    property Cursors[Index: Integer]: Longword; read write;
    property FormCount: Integer; read;
    property Forms[Index: Integer]: TForm; read;
    property Fonts: TStrings; read;
    property Height: Integer; read;
    property Width: Integer; read;
    property PixelsPerInch: Integer; read;
    property OnActiveControlChange: TNotifyEvent; read write;
    property OnActiveFormChange: TNotifyEvent; read write;
  end;

  TCustomLabel = class(TGraphicControl)
  end;

  TMouseButton = (mbLeft, mbRight, mbMiddle);

  TMouseEvent = procedure (Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
  
  TMouseMoveEvent = procedure(Sender: TObject; Shift: TShiftState; X, Y: Integer);

  HWND = Longint;

  TAnchorKind = (akTop, akLeft, akRight, akBottom);
  TAnchors = set of TAnchorKind;

  TModalResult = Integer;

  TCursor = Integer;

  TPoint = record
    x, y: Longint;
  end;

  TTextLayout = (tlTop, tlCenter, tlBottom);

  TLabel = class(TCustomLabel)
    property Alignment: TAlignment; read write;
    property AutoSize: Boolean; read write;
    property Caption: String; read write;
    property Color: TColor; read write;
    property FocusControl: TWinControl; read write;
    property Font: TFont; read write;
    property Layout: TTextLayout; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property Transparent: Boolean; read write;
    property WordWrap: Boolean; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property ShowAccelChar: Boolean; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TCustomEdit = class(TWinControl)
    procedure Clear;
    procedure ClearSelection;
    procedure SelectAll;
    property Modified: Boolean; read write;
    property SelLength: Integer; read write;
    property SelStart: Integer; read write;
    property SelText: String; read write;
    property Text: String; read write;
    procedure CopyToClipboard;
    procedure CutToClipboard;
    procedure PasteFromClipboard;
    function GetSelTextBuf(Buffer: PChar; BufSize: Integer): Integer;
    procedure SetSelTextBuf(Buffer: PChar);
  end;

  TEditCharCase = (ecNormal, ecUpperCase, ecLowerCase);

  TEdit = class(TCustomEdit)
    property AutoSelect: Boolean; read write;
    property AutoSize: Boolean; read write;
    property BorderStyle: TBorderStyle; read write;
    property CharCase: TEditCharCase; read write;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property HideSelection: Boolean; read write;
    property MaxLength: Integer; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property PasswordChar: Char; read write;
    property ReadOnly: Boolean; read write;
    property Text: String; read write;
    property OnChange: TNotifyEvent; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property OnKeyDown: TKeyEvent; read write;
    property OnKeyPress: TKeyPressEvent; read write;
    property OnKeyUp: TKeyEvent; read write;
    property Ctl3D: Boolean; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property OEMConvert: Boolean; read write;
    property ParentCtl3D: Boolean; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TNewEdit = class(TEdit)
  end;

  TCustomMemo = class(TCustomEdit)
    property Lines: TStrings; read write;
  end;

  TScrollStyle = (ssNone, ssHorizontal, ssVertical, ssBoth);

  TMemo = class(TCustomMemo)
    property Alignment: TAlignment; read write;
    property BorderStyle: TBorderStyle; read write;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property HideSelection: Boolean; read write;
    property MaxLength: Integer; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property ReadOnly: Boolean; read write;
    property ScrollBars: TScrollStyle; read write;
    property WantReturns: Boolean; read write;
    property WantTabs: Boolean; read write;
    property WordWrap: Boolean; read write;
    property OnChange: TNotifyEvent; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property OnKeyDown: TKeyEvent; read write;
    property OnKeyPress: TKeyPressEvent; read write;
    property OnKeyUp: TKeyEvent; read write;
    property Ctl3D: Boolean; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property OEMConvert: Boolean; read write;
    property ParentCtl3D: Boolean; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TNewMemo = class(TMemo)
  end;

  TCustomComboBox = class(TWinControl)
    property DroppedDown: Boolean; read write;
    property Items: TStrings; read write;
    property ItemIndex: Integer; read write;
    procedure Clear;
    procedure SelectAll;
    property Canvas: TCanvas; read;
    property SelLength: Integer; read write;
    property SelStart: Integer; read write;
    property SelText: String; read write;
  end;

  TComboBoxStyle = (csDropDown, csSimple, csDropDownList, csOwnerDrawFixed, csOwnerDrawVariable);

  TDrawItemEvent = procedure(Control: TWinControl; Index: Integer; Rect: TRect; State: Byte);

  TMeasureItemEvent = procedure(Control: TWinControl; Index: Integer; var Height: Integer);

  TComboBox = class(TCustomComboBox)
    property Style: TComboBoxStyle; read write;
    property Color: TColor; read write;
    property DropDownCount: Integer; read write;
    property Font: TFont; read write;
    property MaxLength: Integer; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property Sorted: Boolean; read write;
    property Text: String; read write;
    property OnChange: TNotifyEvent; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnDropDown: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property OnKeyDown: TKeyEvent; read write;
    property OnKeyPress: TKeyPressEvent; read write;
    property OnKeyUp: TKeyEvent; read write;
    property Ctl3D: Boolean; read write;
    property DragMode: TDragMode; read write;
    property DragCursor: Longint; read write;
    property ItemHeight: Integer; read write;
    property ParentCtl3D: Boolean; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnDrawItem: TDrawItemEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnMeasureItem: TMeasureItemEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
  end;

  TNewComboBox = class(TComboBox)
  end;

  TButtonControl = class(TWinControl)
  end;

  TButton = class(TButtonControl)
    procedure Click;
    property Cancel: Boolean; read write;
    property Caption: String; read write;
    property Default: Boolean; read write;
    property Font: TFont; read write;
    property ModalResult: Longint; read write;
    property ParentFont: Boolean; read write;
    property OnClick: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnKeyDown: TKeyEvent; read write;
    property OnKeyPress: TKeyPressEvent; read write;
    property OnKeyUp: TKeyEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TNewButton = class(TButton)
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TCustomCheckBox = class(TButtonControl)
  end;

  TCheckBoxState = (cbUnchecked, cbChecked, cbGrayed);

  TCheckBox = class(TCustomCheckBox)
    property Alignment: TAlignment; read write;
    property AllowGrayed: Boolean; read write;
    property Caption: String; read write;
    property Checked: Boolean; read write;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property State: TCheckBoxState; read write;
    property OnClick: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property Ctl3D: Boolean; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property ParentCtl3D: Boolean; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnKeyDown: TKeyEvent; read write;
    property OnKeyPress: TKeyPressEvent; read write;
    property OnKeyUp: TKeyEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TNewCheckBox = class(TCheckBox)
    property ParentBackground: Boolean; read write;
  end;

  TRadioButton = class(TButtonControl)
    property Alignment: TAlignment; read write;
    property Caption: String; read write;
    property Checked: Boolean; read write;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property Ctl3D: Boolean; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property ParentCtl3D: Boolean; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnKeyDown: TKeyEvent; read write;
    property OnKeyPress: TKeyPressEvent; read write;
    property OnKeyUp: TKeyEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TNewRadioButton = class(TRadioButton)
    property ParentBackground: Boolean; read write;
  end;

  TCustomListBox = class(TWinControl)
    property Items: TStrings; read write;
    property ItemIndex: Integer; read write;
    property SelCount: Integer; read;
    property Selected[Index: Integer]: Boolean; read write;
    procedure Clear;
    function ItemAtPos(Pos: TPoint; Existing: Boolean): Integer;
    function ItemRect(Index: Integer): TRect;
    property Canvas: TCanvas; read;
    property TopIndex: Integer; read write;
  end;

  TListBoxStyle = (lbStandard, lbOwnerDrawFixed, lbOwnerDrawVariable);

  TScrollCode = (scLineUp, scLineDown, scPageUp, scPageDown, scPosition, scTrack, scTop, scBottom, scEndScroll);

  TScrollEvent = procedure(Sender: TObject; ScrollCode: TScrollCode;var ScrollPos: Integer);

  TEOwnerDrawState = (odSelected, odGrayed, odDisabled, odChecked, odFocused, odDefault, odHotLight, odInactive, odNoAccel, odNoFocusRect, odReserved1, odReserved2, odComboBoxEdit);

  TOwnerDrawState = set of TEOwnerDrawState;
  
  TListBox = class(TCustomListBox)
    property BorderStyle: TBorderStyle; read write;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property MultiSelect: Boolean; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property Sorted: Boolean; read write;
    property Style: TListBoxStyle; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property OnKeyDown: TKeyEvent; read write;
    property OnKeyPress: TKeyPressEvent; read write;
    property OnKeyUp: TKeyEvent; read write;
    property Columns: Integer; read write;
    property Ctl3D: Boolean; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property ExtendedSelect: Boolean; read write;
    property IntegralHeight: Boolean; read write;
    property ItemHeight: Integer; read write;
    property ParentCtl3D: Boolean; read write;
    property PopupMenu: TPopupMenu; read write;
    property TabWidth: Integer; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnDrawItem: TDrawItemEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnMeasureItem: TMeasureItemEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TNewListBox = class(TListBox)
  end;

  TScrollBar = class(TWinControl)
    property Kind: TScrollBarKind; read write;
    property Max: Integer; read write;
    property Min: Integer; read write;
    property Position: Integer; read write;
    property OnChange: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    procedure SetParams(APosition, AMin, AMax: Integer);
    property Ctl3D: Boolean; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property LargeChange: TScrollBarInc; read write;
    property ParentCtl3D: Boolean; read write;
    property PopupMenu: TPopupMenu; read write;
    property SmallChange: TScrollBarInc; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnKeyDown: TKeyEvent; read write;
    property OnKeyPress: TKeyPressEvent; read write;
    property OnKeyUp: TKeyEvent; read write;
    property OnScroll: TScrollEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
  end;

  TTrackBarOrientation = (trHorizontal, trVertical);

  TTickMark = (tmBottomRight, tmTopLeft, tmBoth);

  TTickStyle = (tsNone, tsAuto, tsManual);

  TTrackBar = class(TWinControl)
    procedure SetTick(Value: Integer);
    property LineSize: Integer; read write;
    property Max: Integer; read write;
    property Min: Integer; read write;
    property Orientation: TTrackBarOrientation; read write;
    property PageSize: Integer; read write;
    property Frequency: Integer; read write;
    property Position: Integer; read write;
    property SelEnd: Integer; read write;
    property SelStart: Integer; read write;
    property TickMarks: TTickMark; read write;
    property TickStyle: TTickStyle; read write;
    property OnChange: TNotifyEvent; read write;
  end;

  TUDAlignButton = (udLeft, udRight);

  TUDOrientation = (udHorizontal, udVertical);

  TUDBtnType = (btNext, btPrev);

  TUDClickEvent = procedure(Sender: TObject; Button: TUDBtnType);

  TUDChangingEvent = procedure(Sender: TObject; var AllowChange: Boolean);

  TCustomUpDown = class(TWinControl)
  end;

  TUpDown = class(TCustomUpDown)
    property AlignButton: TUDAlignButton; read write;
    property Associate: TWinControl; read write;
    property ArrowKeys: Boolean; read write;
    property Min: SmallInt; read write;
    property Max: SmallInt; read write;
    property Increment: Integer; read write;
    property Orientation: TUDOrientation; read write;
    property Position: SmallInt; read write;
    property Thousands: Boolean; read write;
    property Wrap: Boolean; read write;
    property OnChanging: TUDChangingEvent; read write;
    property OnClick: TUDClickEvent; read write;
  end;

  THKModifier = (hkShift, hkCtrl, hkAlt, hkExt);

  THKModifiers = set of THKModifier;

  THKInvalidKey = (hcNone, hcShift, hcCtrl, hcAlt, hcShiftCtrl, hcShiftAlt, hcCtrlAlt, hcShiftCtrlAlt);

  THKInvalidKeys = set of THKInvalidKey;

  TCustomHotKey = class(TWinControl)
  end;

  THotKey = class(TCustomHotKey)
    property Color: TColor; read write;
    property Font: TFont; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property AutoSize: Boolean; read write;
    property HotKey: TShortCut; read write;
    property InvalidKeys: THKInvalidKeys; read write;
    property Modifiers: THKModifiers; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TCustomTabControl = class(TWinControl)
  end;

  TTabChangingEvent = procedure(Sender: TObject; var AllowChange: Boolean);

  TTabControl = class(TCustomTabControl)
    property ParentFont: Boolean; read write;
    property Font: TFont; read write;
    property DisplayRect: TRect; read;
    property MultiLine: Boolean; read write;
    property TabHeight: Smallint; read write;
    property TabIndex: Integer; read write;
    property Tabs: TStrings; read write;
    property TabWidth: Smallint; read write;
    property OnChange: TNotifyEvent; read write;
    property OnChanging: TTabChangingEvent; read write;
  end;

  TTabSheet = class(TWinControl)
    property ParentFont: Boolean; read write;
    property Font: TFont; read write;
    property PageControl: TPageControl; read write;
    property Caption: String; read write;
    property TabIndex: Integer; read;
    property PageIndex: Integer; read write;
    property TabVisible: Boolean; read write;
  end;

  TPageControl = class(TCustomTabControl)
    property ParentFont: Boolean; read write;
    property Font: TFont; read write;
    function FindNextPage(CurPage: TTabSheet; GoForward, CheckTabVisible: Boolean): TTabSheet;
    procedure SelectNextPage(GoForward: Boolean);
    property PageCount: Integer; read;
    property Pages[Index: Integer]: TTabSheet; read;
    property ActivePage: TTabSheet; read write;
    property MultiLine: Boolean; read write;
    property TabHeight: Smallint; read write;
    property TabWidth: Smallint; read write;
    property OnChange: TNotifyEvent; read write;
    property OnChanging: TTabChangingEvent; read write;
  end;

  TShapeType = (stRectangle, stSquare, stRoundRect, stRoundSquare, stEllipse, stCircle);

  TBevelShape = (bsBox, bsFrame, bsTopLine, bsBottomLine, bsLeftLine, bsRightLine, bsSpacer);

  TBevelStyle = (bsLowered, bsRaised);

  TBevel = class(TGraphicControl)
    property Shape: TBevelShape; read write;
    property Style: TBevelStyle; read write;
  end;

  TShape = class(TGraphicControl)
    property Brush: TBrush; read write;
    property Pen: TPen; read write;
    property Shape: TShapeType; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TPaintBox = class(TGraphicControl)
    property Canvas: TCanvas; read;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnPaint: TNotifyEvent; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  TCustomPanel = class(TCustomControl)
  end;

  TPanelBevel = (bvNone, bvLowered, bvRaised, bvSpace);

  TBevelWidth = Longint;

  TBorderWidth = Longint;

  TSectionEvent = procedure(Sender: TObject; ASection, AWidth: Integer);

  TPanel = class(TCustomPanel)
    property Alignment: TAlignment; read write;
    property BevelInner: TPanelBevel; read write;
    property BevelOuter: TPanelBevel; read write;
    property BevelWidth: TBevelWidth; read write;
    property BorderWidth: TBorderWidth; read write;
    property BorderStyle: TBorderStyle; read write;
    property Caption: String; read write;
    property Color: TColor; read write;
    property Font: TFont; read write;
    property ParentColor: Boolean; read write;
    property ParentFont: Boolean; read write;
    property OnClick: TNotifyEvent; read write;
    property OnDblClick: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property DragCursor: Longint; read write;
    property DragMode: TDragMode; read write;
    property Ctl3D: Boolean; read write;
    property Locked: Boolean; read write;
    property ParentCtl3D: Boolean; read write;
    property PopupMenu: TPopupMenu; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnEndDrag: TEndDragEvent; read write;
    property OnMouseDown: TMouseEvent; read write;
    property OnMouseMove: TMouseMoveEvent; read write;
    property OnMouseUp: TMouseEvent; read write;
    property OnResize: TNotifyEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property ParentBackground: Boolean; read write;
    property OnMouseEnter: TNotifyEvent; read write;
    property OnMouseLeave: TNotifyEvent; read write;
  end;

  THeaderSectionStyle = (hsText, hsOwnerDraw);

  THeaderSection = class(TCollectionItem)
    property Left: Integer; read;
    property Right: Integer; read;
    property Alignment: TAlignment; read write;
    property AllowClick: Boolean; read write;
    property MaxWidth: Integer; read write;
    property MinWidth: Integer; read write;
    property Style: THeaderSectionStyle; read write;
    property Text: string; read write;
    property Width: Integer; read write;
  end;

  THeaderSections = class(TCollection)
    constructor Create(HeaderControl: THeaderControl);
    function Add: THeaderSection;
    Property Items[Index: Integer]: THeaderSection; read write;
  end;

  TSectionTrackState = (tsTrackBegin, tsTrackMove, tsTrackEnd);

  TDrawSectionEvent = procedure(HeaderControl: THeaderControl; Section: THeaderSection; const Rect: TRect; Pressed: Boolean);

  TSectionNotifyEvent = procedure(HeaderControl: THeaderControl; Section: THeaderSection);

  TSectionTrackEvent = procedure(HeaderControl: THeaderControl; Section: THeaderSection; Width: Integer; State: TSectionTrackState);

  THeaderControl = class(TWinControl)
    property Canvas: TCanvas; read;
    property Sections: THeaderSections; read write;
    property OnDrawSection: TDrawSectionEvent; read write;
    property OnResize: TNotifyEvent; read write;
    property OnSectionClick: TSectionNotifyEvent; read write;
    property OnSectionResize: TSectionNotifyEvent; read write;
    property OnSectionTrack: TSectionTrackEvent; read write;
  end;

  HTreeItem = Longword;

  TTVCompare = function(lParam1, lParam2, lParamSort: Longint): Integer;

  TNodeAttachMode = (naAdd, naAddFirst, naAddChild, naAddChildFirst, naInsert);

  THitTest = (htAbove, htBelow, htNowhere, htOnItem, htOnButton, htOnIcon, htOnIndent, 
       htOnLabel, htOnRight, htOnStateIcon, htToLeft, htToRight);

  THitTests = set of THitTest;

  TSortType = (stNone, stData, stText, stBoth);    

  TResType = (rtBitmap, rtCursor, rtIcon);

  HImageList = THandle;

  TDrawingStyle = (dsFocus, dsSelected, dsNormal, dsTransparent);

  TImageType = (itImage, itMask);

  TTreeNode = class(TPersistent)
    constructor Create(AOwner: TTreeNodes);
    function AlphaSort: Boolean;
    procedure Collapse(Recurse: Boolean);
    function CustomSort(SortProc: TTVCompare; Data: Longint): Boolean;
    procedure Delete;
    procedure DeleteChildren;
    function DisplayRect(TextOnly: Boolean): TRect;
    function EditText: Boolean;
    procedure EndEdit(Cancel: Boolean);
    procedure Expand(Recurse: Boolean);
    function GetFirstChild: TTreeNode;
    function GetHandle: HWND;
    function GetLastChild: TTreeNode;
    function GetNext: TTreeNode;
    function GetNextChild(Value: TTreeNode): TTreeNode;
    function GetNextSibling: TTreeNode;
    function GetNextVisible: TTreeNode;
    function GetPrev: TTreeNode;
    function GetPrevChild(Value: TTreeNode): TTreeNode;
    function GetPrevSibling: TTreeNode;
    function GetPrevVisible: TTreeNode;
    function HasAsParent(Value: TTreeNode): Boolean;
    function IndexOf(Value: TTreeNode): Integer;
    procedure MakeVisible;
    procedure MoveTo(Destination: TTreeNode; Mode: TNodeAttachMode);
    property AbsoluteIndex: Integer; read;
    property Count: Integer; read;
    property Cut: Boolean; read write;
    property Data: TObject; read write;
    property Deleting: Boolean; read;
    property Focused: Boolean; read write;
    property DropTarget: Boolean; read write;
    property Selected: Boolean; read write;
    property Expanded: Boolean; read write;
    property Handle: HWND; read;
    property HasChildren: Boolean; read write;
    property ImageIndex: Integer; read write;
    property Index: Integer; read;
    property IsVisible: Boolean; read;
    property Item[Index: Integer]: TTreeNode; read write;
    property ItemId: HTreeItem; read;
    property Level: Integer; read;
    property OverlayIndex: Integer; read write;
    property Parent: TTreeNode; read;
    property SelectedIndex: Integer; read write;
    property StateIndex: Integer; read write;
    property Text: String; read write;
    property Owner: TTreeNodes; read;
    property TreeView: TCustomTreeView; read;
  end;

  TTreeNodes = class(TPersistent)
    constructor Create(AOwner: TCustomTreeView);
    function AddChildFirst(Node: TTreeNode; const S: String): TTreeNode;
    function AddChild(Node: TTreeNode; const S: String): TTreeNode;
    function AddChildObjectFirst(Node: TTreeNode; const S: String; Obj: TObject): TTreeNode;
    function AddChildObject(Node: TTreeNode; const S: String; Obj: TObject): TTreeNode;
    function AddFirst(Node: TTreeNode; const S: String): TTreeNode;
    function Add(Node: TTreeNode; const S: String): TTreeNode;
    function AddObjectFirst(Node: TTreeNode; const S: String; Obj: TObject): TTreeNode;
    function AddObject(Node: TTreeNode; const S: String; Obj: TObject): TTreeNode;
    procedure BeginUpdate;
    procedure Clear;
    procedure Delete(Node: TTreeNode);
    procedure EndUpdate;
    function GetFirstNode: TTreeNode;
    function GetNode(ItemId: HTreeItem): TTreeNode;
    function Insert(Node: TTreeNode; const S: String): TTreeNode;
    function InsertObject(Node: TTreeNode; const S: String; Obj: TObject): TTreeNode;
    property Count: Integer; read;
    property Handle: HWND; read;
    property Item[Index: Integer]: TTreeNode; read;
    property Owner: TCustomTreeView; read;
  end;

  TTVChangingEvent = procedure(Sender: TObject; Node: TTreeNode; var AllowChange: Boolean);

  TTVChangedEvent = procedure(Sender: TObject; Node: TTreeNode);

  TTVEditingEven = procedure(Sender: TObject; Node: TTreeNode; var AllowEdit: Boolean);

  TTVEditedEvent = procedure(Sender: TObject; Node: TTreeNode; var S: String);

  TTVExpandingEvent = procedure(Sender: TObject; Node: TTreeNode; var AllowExpansion: Boolean);

  TTVCollapsingEvent = procedure(Sender: TObject; Node: TTreeNode; var AllowCollapse: Boolean);

  TTVExpandedEvent = procedure(Sender: TObject; Node: TTreeNode);

  TTVCompareEvent = procedure(Sender: TObject; Node1, Node2: TTreeNode; Data: Integer; var Compare: Integer);

  TCustomImageList = class(TComponent)
    Constructor CreateSize(AWidth, AHeight: Integer);
    function Add(Image, Mask: TBitmap): Integer;
    function AddIcon(Image: TIcon): Integer;
    procedure AddImages(Value: TCustomImageList);
    function AddMasked(Image: TBitmap; MaskColor: TColor): Integer;
    procedure Clear;
    procedure Delete(Index: Integer);
    procedure Draw(Canvas: TCanvas; X, Y, Index: Integer);
    procedure DrawOverlay(Canvas: TCanvas; X, Y: Integer; ImageIndex: Integer; Overlay: Byte);
    function FileLoad(ResType: TResType; Name: String; MaskColor: TColor): Boolean;
    procedure GetBitmap(Index: Integer; Image: TBitmap);
    function GetHotSpot: TPoint;
    procedure GetIcon(Index: Integer; Image: TIcon);
    function GetImageBitmap: HBITMAP;
    function GetMaskBitmap: HBITMAP;
    function GetResource(ResType: TResType; Name: String; Width: Integer; LoadFlags: TLoadResources; MaskColor: TColor): Boolean;
    function HandleAllocated: Boolean;
    procedure Insert(Index: Integer; Image, Mask: TBitmap);
    procedure InsertIcon(Index: Integer; Image: TIcon);
    procedure InsertMasked(Index: Integer; Image: TBitmap; MaskColor: TColor);
    procedure Move(CurIndex, NewIndex: Integer);
    function Overlay(ImageIndex: Integer; Overlay: TOverlay): Boolean;
    function ResourceLoad(ResType: TResType; Name: String; MaskColor: TColor): Boolean;
    procedure Replace(Index: Integer; Image, Mask: TBitmap);
    procedure ReplaceIcon(Index: Integer; Image: TIcon);
    procedure ReplaceMasked(Index: Integer; NewImage: TBitmap; MaskColor: TColor);
    property Count: Integer; read;
    property Handle: HImageList; read write;
  end;

  TImageList = class(TCustomImageList)
    property BlendColor: TColor; read write;
    property BkColor: TColor; read write;
    property AllocBy: Integer; read write;
    property DrawingStyle: TDrawingStyle; read write;
    property Height: Integer; read write;
    property ImageType: TImageType; read write;
    property Masked: Boolean; read write;
    property OnChange: TNotifyEvent; read write;
    property ShareImages: Boolean; read write;
    property Width: Integer; read write;
  end;

  TCustomTreeView = class(TWinControl)
    function AlphaSort: Boolean;
    function CustomSort(SortProc: TTVCompare; Data: Longint): Boolean;
    procedure FullCollapse;
    procedure FullExpand;
    function GetHitTestInfoAt(X, Y: Integer): THitTests;
    function GetNodeAt(X, Y: Integer): TTreeNode;
    function IsEditing: Boolean;
    procedure LoadFromFile(const FileName: String);
    procedure LoadFromStream(Stream: TStream);
    procedure SaveToFile(const FileName: String);
    procedure SaveToStream(Stream: TStream);
    property DropTarget: TTreeNode; read write;
    property Selected: TTreeNode; read write;
    property TopItem: TTreeNode; read write;
  end;

  TTreeView = class(TCustomTreeView)
    property ShowButtons: Boolean; read write;
    property BorderStyle: TBorderStyle; read write;
    property DragCursor: TCursor; read write;
    property ShowLines: Boolean; read write;
    property ShowRoot: Boolean; read write;
    property ReadOnly: Boolean; read write;
    property DragMode: TDragMode; read write;
    property HideSelection: Boolean; read write;
    property Indent: Integer; read write;
    property Items: TTreeNodes; read write;
    property OnEditing: TTVEditingEvent; read write;
    property OnEdited: TTVEditedEvent; read write;
    property OnExpanding: TTVExpandingEvent; read write;
    property OnExpanded: TTVExpandedEvent; read write;
    property OnCollapsing: TTVCollapsingEvent; read write;
    property OnCompare: TTVCompareEvent; read write;
    property OnCollapsed: TTVExpandedEvent; read write;
    property OnChanging: TTVChangingEvent; read write;
    property OnChange: TTVChangedEvent; read write;
    property OnDeletion: TTVExpandedEvent; read write;
    property OnGetImageIndex: TTVExpandedEvent; read write;
    property OnGetSelectedIndex: TTVExpandedEvent; read write;
    property Font: TFont; read write;
    property Color: TColor; read write;
    property ParentColor: Boolean; read write;
    property ParentCtl3D: Boolean; read write;
    property Ctl3D: Boolean; read write;
    property SortType: TSortType; read write;
    property OnClick: TNotifyEvent; read write;
    property OnEnter: TNotifyEvent; read write;
    property OnExit: TNotifyEvent; read write;
    property OnDragDrop: TDragDropEvent; read write;
    property OnDragOver: TDragOverEvent; read write;
    property OnStartDrag: TStartDragEvent; read write;
    property OnEndDrag: TEndDrag