david
3b29f73ece
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@8 05c56307-c608-d34a-929d-697000501d7a
438 lines
13 KiB
ObjectPascal
438 lines
13 KiB
ObjectPascal
unit CustomDrawCardViewDemoMain;
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{$I ..\..\cxVer.inc}
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interface
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uses
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{$IFDEF DELPHI6}
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Variants,
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{$ENDIF}
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
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Dialogs, cxControls, cxLookupGrid, cxLookupDBGrid, cxGridCustomTableView,
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cxGridTableView, cxGridDBTableView, cxGridLevel, cxGridCustomView, cxGrid,
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cxGridCardView, cxGridDBCardView, cxMaskEdit, StdCtrls, ExtCtrls,
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cxContainer, cxEdit, cxTextEdit, cxDropDownEdit, cxDBEdit, cxStyles,
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Menus, ActnList, ImgList, ComCtrls, cxLookAndFeels, cxGraphics,
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ToolWin, cxCustomData, cxFilter, cxData, DB, cxDBData,
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cxClasses, cxDataStorage, cxDBLookupComboBox, cxBlobEdit, DemoUtils;
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type
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TCustomDrawCardViewDemoMainForm = class(TForm)
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mmMain: TMainMenu;
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miAbout: TMenuItem;
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miFile: TMenuItem;
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miOptions: TMenuItem;
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miExit: TMenuItem;
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sbMain: TStatusBar;
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lbDescrip: TLabel;
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miSeparator1: TMenuItem;
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miLookFeel: TMenuItem;
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miKind: TMenuItem;
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miFlat: TMenuItem;
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miStandard: TMenuItem;
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miUltraFlat: TMenuItem;
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miNativeStyle: TMenuItem;
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miSeparator4: TMenuItem;
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ilPics: TImageList;
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miBlue: TMenuItem;
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miGold: TMenuItem;
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miGreen: TMenuItem;
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miGrey: TMenuItem;
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pnPersonLines: TPanel;
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pnPersonLinesCaption: TPanel;
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tvPersonLine: TcxGridDBTableView;
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lvPersonLine: TcxGridLevel;
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cxgPersonLine: TcxGrid;
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pnPersons: TPanel;
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cxgPersons: TcxGrid;
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cvPersons: TcxGridDBCardView;
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lvPersons: TcxGridLevel;
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Splitter: TSplitter;
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pnPersonsCaption: TPanel;
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tvPersonLineNAME: TcxGridDBColumn;
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cvPersonsFIRSTNAME: TcxGridDBCardViewRow;
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cvPersonsSECONDNAME: TcxGridDBCardViewRow;
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cvPersonsGENDER: TcxGridDBCardViewRow;
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cvPersonsBIRTHNAME: TcxGridDBCardViewRow;
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cvPersonsDATEOFBIRTH: TcxGridDBCardViewRow;
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cvPersonsBIRTHCOUNTRY: TcxGridDBCardViewRow;
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cvPersonsLOCATIONOFBIRTH: TcxGridDBCardViewRow;
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cvPersonsBIOGRAPHY: TcxGridDBCardViewRow;
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cvPersonsNICKNAME: TcxGridDBCardViewRow;
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miCustomDrawStyles: TMenuItem;
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miGradient: TMenuItem;
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miBackgroundImage: TMenuItem;
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miCar: TMenuItem;
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miSky: TMenuItem;
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miLoadImage: TMenuItem;
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OpenDialog: TOpenDialog;
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miDefaultDrawing: TMenuItem;
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FontDialog: TFontDialog;
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miFont: TMenuItem;
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miDependOnDataDrawing: TMenuItem;
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miEgypt: TMenuItem;
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miTile: TMenuItem;
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miMyFace: TMenuItem;
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LookAndFeelController: TcxLookAndFeelController;
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procedure miAboutClick(Sender: TObject);
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procedure miExitClick(Sender: TObject);
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procedure miNativeStyleClick(Sender: TObject);
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procedure miLookAndFeelKindClick(Sender: TObject);
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procedure cvPersonsCustomDrawCell(Sender: TcxCustomGridTableView;
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ACanvas: TcxCanvas; AViewInfo: TcxGridTableDataCellViewInfo;
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var ADone: Boolean);
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procedure miBlueClick(Sender: TObject);
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procedure miGreenClick(Sender: TObject);
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procedure miGoldClick(Sender: TObject);
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procedure miGreyClick(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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procedure miCarClick(Sender: TObject);
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procedure miSkyClick(Sender: TObject);
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procedure miLoadClick(Sender: TObject);
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procedure miDefaultDrawingClick(Sender: TObject);
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procedure miFontClick(Sender: TObject);
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procedure miDependOnDataDrawingClick(Sender: TObject);
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procedure miMyFaceClick(Sender: TObject);
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procedure miEgyptClick(Sender: TObject);
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procedure miTileClick(Sender: TObject);
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private
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FColorScheme: TColorScheme;
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FCustomDrawingStyle: TCustomDrawingStyle;
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FCarBitmap, FSkyBitmap, FUserDefinedImage, FCurrentBitmap,
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FEgyptBitmap, FMyFaceBitmap, FTileBitmap: TBitMap;
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FFont: TFont;
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procedure GridsStyles;
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procedure AssignCustomDrawProc;
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procedure UncheckMenuItem(AMenuItem: TMenuItem);
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procedure SetBkImage(AMenuItem: TMenuItem; ABitMap: TBitMap);
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procedure SetGradientColor(AMenuItem: TMenuItem;
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AColorScheme: TColorScheme; ABackGroudStyleIndex: Integer);
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end;
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var
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CustomDrawCardViewDemoMainForm: TCustomDrawCardViewDemoMainForm;
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implementation
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{$R *.dfm}
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uses
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CustomDrawCardViewDemoData, AboutDemoForm;
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procedure TCustomDrawCardViewDemoMainForm.FormCreate(Sender: TObject);
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begin
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FColorScheme := csBlue;
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GridsStyles;
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FCustomDrawingStyle := cdsBkImage;
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FFont := TFont.Create;
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FFont.Assign(cxgPersons.Font);
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FCarBitmap := TBitMap.Create;
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LoadImageFromRes(FCarBitmap, 'CAR');
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FSkyBitmap := TBitMap.Create;
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LoadImageFromRes(FSkyBitmap, 'SKY');
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FEgyptBitmap := TBitmap.Create;
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LoadImageFromRes(FEgyptBitmap, 'EGYPT');
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FMyFaceBitmap := TBitmap.Create;
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LoadImageFromRes(FMyFaceBitmap, 'MYFACE');
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FTileBitmap := TBitmap.Create;
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LoadImageFromRes(FTileBitmap, 'TILE');
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FUserDefinedImage := TBitmap.Create;
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FCurrentBitmap := FTileBitmap;
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end;
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procedure TCustomDrawCardViewDemoMainForm.FormDestroy(Sender: TObject);
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begin
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FCurrentBitmap := nil;
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FUserDefinedImage.Free;
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FEgyptBitmap.Free;
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FMyFaceBitmap.Free;
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FTileBitmap.Free;
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FCarBitmap.Free;
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FSkyBitmap.Free;
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end;
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procedure TCustomDrawCardViewDemoMainForm.miAboutClick(Sender: TObject);
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begin
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ShowAboutDemoForm;
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end;
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procedure TCustomDrawCardViewDemoMainForm.cvPersonsCustomDrawCell(
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Sender: TcxCustomGridTableView; ACanvas: TcxCanvas;
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AViewInfo: TcxGridTableDataCellViewInfo; var ADone: Boolean);
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var
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ARec: TRect;
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ATextToDraw: String;
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ABool: Boolean;
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AIsVertical: Boolean;
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procedure SetTextToDraw;
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begin
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if (AViewInfo is TcxGridCardRowDataViewInfo) then
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begin
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if (AViewInfo.Item.Index = cvPersonsGENDER.Index) then
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begin
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if VarAsType(AViewInfo.GridRecord.Values[cvPersonsGENDER.Index], varBoolean) then
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ATextToDraw := 'Male'
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else
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ATextToDraw := 'Female';
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end
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else
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ATextToDraw := AViewInfo.GridRecord.DisplayTexts[AViewInfo.Item.Index];
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end
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else
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ATextToDraw := VarAsType(AViewInfo.Item.Caption, varString);
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end;
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begin
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ARec := AViewInfo.Bounds;
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ACanvas.Canvas.Font.Assign(FFont);
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SetTextToDraw;
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case FCustomDrawingStyle of
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cdsBkImage:
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ACanvas.FillRect(ARec, FCurrentBitmap);
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cdsGradient:
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begin
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AIsVertical := (FColorScheme = csGrey) or (FColorScheme = csGold);
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if AViewInfo is TcxGridCardRowDataViewInfo then
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DrawGradient(ACanvas.Canvas, ARec, ColorScheme[Integer(FColorScheme), 1], ColorScheme[Integer(FColorScheme), 0], 40, AIsVertical)
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else
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DrawGradient(ACanvas.Canvas, ARec, ColorScheme[Integer(FColorScheme), 0], ColorScheme[Integer(FColorScheme), 1], 40, AIsVertical);
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end;
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cdsDependOnData:
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begin
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ACanvas.Canvas.Brush.Style := bsSolid;
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ACanvas.Canvas.Brush.Color := clBlueLight;
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ACanvas.Canvas.FillRect(ARec);
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if VarAsType(AViewInfo.GridRecord.Values[cvPersonsGENDER.Index], varBoolean) then
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ACanvas.Canvas.Font.Color := clBlue
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else
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ACanvas.Canvas.Font.Color := clFuchsia;
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if (AViewInfo is TcxGridCardRowDataViewInfo) and (AViewInfo.Item.Index = cvPersonsGENDER.Index) then
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begin
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ABool := VarAsType(AViewInfo.GridRecord.Values[cvPersonsGENDER.Index], varBoolean);
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ilPics.Draw(ACanvas.Canvas, ARec.Left + 2, ARec.Top, Integer(ABool));
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ATextToDraw := '';
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end;
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end;
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end;
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SetBkMode(ACanvas.Canvas.Handle, TRANSPARENT);
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ACanvas.DrawText(ATextToDraw, TcxCustomTextEditViewInfo(AViewInfo.EditViewInfo).TextRect, 0);
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ADone := FCustomDrawingStyle <> cdsDefaultDrawing;
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end;
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procedure TCustomDrawCardViewDemoMainForm.GridsStyles;
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begin
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cvPersons.OptionsView.SeparatorColor := ColorScheme[2, 2];
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cvPersons.Styles.Background := CustomDrawCardViewDemoMainDM.StyleRepository.Items[6] as TcxStyle;
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end;
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procedure TCustomDrawCardViewDemoMainForm.AssignCustomDrawProc;
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begin
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if not Assigned(cvPersons.OnCustomDrawCell) then
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cvPersons.OnCustomDrawCell := cvPersonsCustomDrawCell;
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end;
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procedure TCustomDrawCardViewDemoMainForm.SetGradientColor(AMenuItem: TMenuItem; AColorScheme: TColorScheme; ABackGroudStyleIndex: Integer);
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begin
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if (FCustomDrawingStyle <> cdsGradient) or (FColorScheme <> AColorScheme) then
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begin
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FColorScheme := AColorScheme;
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AMenuItem.Checked := True;
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if FCustomDrawingStyle <> cdsGradient then
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begin
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UncheckMenuItem(AMenuItem);
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FCustomDrawingStyle := cdsGradient;
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miGradient.Checked := True;
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end;
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cvPersons.OptionsView.SeparatorColor := ColorScheme[Integer(AColorScheme), 2];
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cvPersons.Styles.Background := CustomDrawCardViewDemoMainDM.StyleRepository.Items[ABackGroudStyleIndex] as TcxStyle;
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AssignCustomDrawProc;
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cvPersons.Painter.Invalidate;
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end;
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end;
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procedure TCustomDrawCardViewDemoMainForm.miGreenClick(
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Sender: TObject);
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begin
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SetGradientColor(Sender as TMenuItem, csGreen, 8);
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end;
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procedure TCustomDrawCardViewDemoMainForm.miGoldClick(
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Sender: TObject);
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begin
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SetGradientColor(Sender as TMenuItem, csGold, 4);
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end;
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procedure TCustomDrawCardViewDemoMainForm.miGreyClick(
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Sender: TObject);
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begin
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SetGradientColor(Sender as TMenuItem, csGrey, 5);
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end;
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procedure TCustomDrawCardViewDemoMainForm.miBlueClick(
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Sender: TObject);
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begin
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SetGradientColor(Sender as TMenuItem, csBlue, 6);
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end;
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procedure TCustomDrawCardViewDemoMainForm.miLoadClick(
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Sender: TObject);
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begin
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if OpenDialog.Execute then
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begin
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TMenuItem(Sender).Checked := True;
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if FCustomDrawingStyle <> cdsBkImage then
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begin
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UncheckMenuItem(Sender as TMenuItem);
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GridsStyles;
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FCustomDrawingStyle := cdsBkImage;
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miBackgroundImage.Checked := True;
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end;
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FUserDefinedImage.LoadFromFile(OpenDialog.FileName);
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FCurrentBitmap := FUserDefinedImage;
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AssignCustomDrawProc;
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cvPersons.Painter.Invalidate;
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end;
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end;
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procedure TCustomDrawCardViewDemoMainForm.UncheckMenuItem(AMenuItem: TMenuItem);
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function IsLookAndFeelMenuItem(AMenuItem: TMenuItem): Boolean;
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begin
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Result := (AMenuItem.Parent = miKind) or (AMenuItem = miNativeStyle);
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end;
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var
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i: Integer;
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begin
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for i:=0 to ComponentCount - 1 do
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if (Components[i] is TMenuItem) and (Components[i] <> AMenuItem) and
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(Components[i] as TMenuItem).Checked and
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not IsLookAndFeelMenuItem(Components[i] as TMenuItem) then
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(Components[i] as TMenuItem).Checked := False;
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end;
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procedure TCustomDrawCardViewDemoMainForm.miDefaultDrawingClick(
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Sender: TObject);
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begin
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if not TMenuItem(Sender).Checked then
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begin
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TMenuItem(Sender).Checked := True;
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UncheckMenuItem(Sender as TMenuItem);
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FCustomDrawingStyle := cdsDefaultDrawing;
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cvPersons.OnCustomDrawCell := nil;
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cvPersons.Styles.Background := nil;
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cvPersons.OptionsView.SeparatorColor := clBtnFace;
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cvPersons.Painter.Invalidate;
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end;
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end;
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procedure TCustomDrawCardViewDemoMainForm.miFontClick(Sender: TObject);
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begin
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FontDialog.Font.Assign(FFont);
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if FontDialog.Execute then
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begin
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FFont.Assign(FontDialog.Font);
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cvPersons.Styles.ContentEven.Font.Assign(FontDialog.Font);
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cvPersons.Styles.ContentOdd.Font.Assign(FontDialog.Font);
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cvPersons.LayoutChanged(False);
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cvPersons.Painter.Invalidate;
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end;
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end;
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procedure TCustomDrawCardViewDemoMainForm.miExitClick(Sender: TObject);
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begin
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Close;
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end;
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procedure TCustomDrawCardViewDemoMainForm.miNativeStyleClick(Sender: TObject);
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begin
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with LookAndFeelController do
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begin
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NativeStyle := not NativeStyle;
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(Sender as TMenuItem).Checked := NativeStyle;
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end;
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end;
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procedure TCustomDrawCardViewDemoMainForm.miLookAndFeelKindClick(Sender: TObject);
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begin
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LookAndFeelController.Kind := TcxLookAndFeelKind(TMenuItem(Sender).MenuIndex);
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(Sender as TMenuItem).Checked := True;
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end;
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procedure TCustomDrawCardViewDemoMainForm.miDependOnDataDrawingClick(
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Sender: TObject);
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begin
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if not TMenuItem(Sender).Checked then
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begin
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TMenuItem(Sender).Checked := True;
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UncheckMenuItem(Sender as TMenuItem);
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FCustomDrawingStyle := cdsDependOnData;
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GridsStyles;
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AssignCustomDrawProc;
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cvPersons.Painter.Invalidate;
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end;
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end;
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procedure TCustomDrawCardViewDemoMainForm.miEgyptClick(
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Sender: TObject);
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begin
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SetBkImage(Sender as TMenuItem, FEgyptBitmap);
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end;
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procedure TCustomDrawCardViewDemoMainForm.miMyFaceClick(
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Sender: TObject);
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begin
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SetBkImage(Sender as TMenuItem, FMyFaceBitMap);
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end;
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procedure TCustomDrawCardViewDemoMainForm.miTileClick(
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Sender: TObject);
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begin
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SetBkImage(Sender as TMenuItem, FTileBitMap);
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end;
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procedure TCustomDrawCardViewDemoMainForm.miSkyClick(
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Sender: TObject);
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begin
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SetBkImage(Sender as TMenuItem, FSkyBitmap);
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end;
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procedure TCustomDrawCardViewDemoMainForm.miCarClick(
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Sender: TObject);
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begin
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SetBkImage(Sender as TMenuItem, FCarBitmap);
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end;
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procedure TCustomDrawCardViewDemoMainForm.SetBkImage(AMenuItem: TMenuItem; ABitMap: TBitMap);
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begin
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if not TMenuItem(AMenuItem).Checked then
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begin
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TMenuItem(AMenuItem).Checked := True;
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if FCustomDrawingStyle <> cdsBkImage then
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begin
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UncheckMenuItem(AMenuItem);
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GridsStyles;
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FCustomDrawingStyle := cdsBkImage;
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miBackgroundImage.Checked := True;
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end;
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FCurrentBitmap := ABitMap;
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AssignCustomDrawProc;
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cvPersons.Painter.Invalidate;
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end;
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end;
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end.
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