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Pascal/Delphi Source File  |  2001-09-10  |  1.4 KB  |  61 lines

  1. unit Point3D_Event;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  7.   Base, TeEngine, TeeSurfa, TeePoin3, Series, ExtCtrls, TeeProcs, Chart, StdCtrls,
  8.   TeeComma;
  9.  
  10. type
  11.   TPoint3DEvent = class(TBaseForm)
  12.     Series1: TPoint3DSeries;
  13.     CheckBox1: TCheckBox;
  14.     TeeCommander1: TTeeCommander;
  15.     function Series1GetPointerStyle(Sender: TChartSeries;
  16.       ValueIndex: Integer): TSeriesPointerStyle;
  17.     procedure FormCreate(Sender: TObject);
  18.     procedure CheckBox1Click(Sender: TObject);
  19.   private
  20.     { Private declarations }
  21.   public
  22.     { Public declarations }
  23.   end;
  24.  
  25. implementation
  26.  
  27. {$R *.DFM}
  28.  
  29. function TPoint3DEvent.Series1GetPointerStyle(Sender: TChartSeries;
  30.   ValueIndex: Integer): TSeriesPointerStyle;
  31. begin
  32.   result:=psRectangle;
  33.  
  34.   if CheckBox1.Checked then
  35.   Case ValueIndex mod 3 of
  36.     0: begin result:=psCircle; Series1.Pointer.Brush.Color:=clRed; end;
  37.     1: begin result:=psTriangle; Series1.Pointer.Brush.Color:=clBlue; end;
  38.     2: begin result:=psRectangle; Series1.Pointer.Brush.Color:=clYellow; end;
  39.   end
  40.   else
  41.   begin
  42.     result:=psRectangle;
  43.     Series1.Pointer.Brush.Color:=clTeeColor;
  44.   end;
  45. end;
  46.  
  47. procedure TPoint3DEvent.FormCreate(Sender: TObject);
  48. begin
  49.   inherited;
  50.   Series1.FillSampleValues(20);
  51. end;
  52.  
  53. procedure TPoint3DEvent.CheckBox1Click(Sender: TObject);
  54. begin
  55.   Series1.Repaint;
  56. end;
  57.  
  58. initialization
  59.   RegisterClass(TPoint3DEvent);
  60. end.
  61.