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Pascal/Delphi Source File  |  2001-09-10  |  1.4 KB  |  57 lines
  1. unit Title_ClickEvent;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  7.   Base, TeEngine, Series, ExtCtrls, TeeProcs, Chart, StdCtrls;
  8.  
  9. type
  10.   TTitleClickEvent = class(TBaseForm)
  11.     Series1: TPieSeries;
  12.     procedure FormCreate(Sender: TObject);
  13.     procedure Chart1ClickTitle(Sender: TCustomChart; ATitle: TChartTitle;
  14.       Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
  15.     procedure Chart1MouseMove(Sender: TObject; Shift: TShiftState; X,
  16.       Y: Integer);
  17.   private
  18.     { Private declarations }
  19.   public
  20.     { Public declarations }
  21.   end;
  22.  
  23. implementation
  24.  
  25. {$R *.DFM}
  26.  
  27. procedure TTitleClickEvent.FormCreate(Sender: TObject);
  28. begin
  29.   inherited;
  30.   Series1.FillSampleValues(6);
  31. end;
  32.  
  33. procedure TTitleClickEvent.Chart1ClickTitle(Sender: TCustomChart;
  34.   ATitle: TChartTitle; Button: TMouseButton; Shift: TShiftState; X,
  35.   Y: Integer);
  36. begin
  37.   Panel1.Caption:=ATitle.Text.Text;
  38. end;
  39.  
  40. procedure TTitleClickEvent.Chart1MouseMove(Sender: TObject;
  41.   Shift: TShiftState; X, Y: Integer);
  42. var P : TChartClickedPart;
  43. begin
  44.   Chart1.CalcClickedPart(Point(x,y),P);
  45.   Case P.Part of
  46.     cpTitle,cpFoot,
  47.     cpSubTitle,cpSubFoot: Chart1.Cursor:=crHandPoint;
  48.   else
  49.     Chart1.Cursor:=crDefault;
  50.   end;
  51.   Chart1.OriginalCursor:=Chart1.Cursor;
  52. end;
  53.  
  54. initialization
  55.   RegisterClass(TTitleClickEvent);
  56. end.
  57.