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- unit Line_Clickable;
-
- interface
-
- uses
- Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- Base, StdCtrls, TeEngine, Series, ExtCtrls, TeeProcs, Chart;
-
- type
- TLineClickableForm = class(TBaseForm)
- Series1: TLineSeries;
- CheckBox1: TCheckBox;
- Label1: TLabel;
- procedure FormCreate(Sender: TObject);
- procedure CheckBox1Click(Sender: TObject);
- procedure Chart1MouseMove(Sender: TObject; Shift: TShiftState; X,
- Y: Integer);
- private
- { Private declarations }
- public
- { Public declarations }
- end;
-
- var
- LineClickableForm: TLineClickableForm;
-
- implementation
-
- {$R *.DFM}
-
- procedure TLineClickableForm.FormCreate(Sender: TObject);
- begin
- inherited;
- Series1.FillSampleValues(8);
- Series1.ClickableLine:=False;
- end;
-
- procedure TLineClickableForm.CheckBox1Click(Sender: TObject);
- begin
- Series1.ClickableLine:=CheckBox1.Checked
- end;
-
- procedure TLineClickableForm.Chart1MouseMove(Sender: TObject;
- Shift: TShiftState; X, Y: Integer);
- var tmp : Integer;
- begin
- tmp:=Series1.Clicked(x,y);
- if tmp=-1 then Label1.Caption:=''
- else Label1.Caption:='Point: '+IntToStr(tmp);
- end;
-
- initialization
- RegisterClass(TLineClickableForm);
- end.
-