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- unit Canvas_Cone;
-
- interface
-
- uses
- Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- Base, StdCtrls, TeEngine, Series, ExtCtrls, TeeProcs, Chart, TeeTools;
-
- type
- TConesForm = class(TBaseForm)
- Series1: TBarSeries;
- Label1: TLabel;
- ScrollBar1: TScrollBar;
- Label2: TLabel;
- ChartTool1: TRotateTool;
- ComboBox1: TComboBox;
- procedure ScrollBar1Change(Sender: TObject);
- procedure Chart1AfterDraw(Sender: TObject);
- procedure FormCreate(Sender: TObject);
- procedure ComboBox1Change(Sender: TObject);
- procedure FormShow(Sender: TObject);
- private
- { Private declarations }
- public
- { Public declarations }
- end;
-
- implementation
-
- {$R *.DFM}
-
- Uses TeCanvas;
-
- procedure TConesForm.ScrollBar1Change(Sender: TObject);
- begin
- TeeDefaultConePercent:=ScrollBar1.Position;
- Label2.Caption:=IntToStr(ScrollBar1.Position)+'%';
- Chart1.Repaint;
- end;
-
- procedure TConesForm.Chart1AfterDraw(Sender: TObject);
- begin
- With Chart1.Canvas do
- Cone(True,30,30,80,50,0,20,True,ScrollBar1.Position);
- end;
-
- procedure TConesForm.FormCreate(Sender: TObject);
- begin
- inherited;
- Series1.FillSampleValues(5);
- end;
-
- procedure TConesForm.ComboBox1Change(Sender: TObject);
- begin
- if ComboBox1.ItemIndex=0 then Series1.BarStyle:=bsCone
- else Series1.BarStyle:=bsPyramid;
-
- ScrollBar1.Enabled:=Series1.BarStyle=bsCone;
- end;
-
- procedure TConesForm.FormShow(Sender: TObject);
- begin
- inherited;
- ComboBox1.ItemIndex:=0;
- end;
-
- initialization
- RegisterClass(TConesForm);
- end.
-