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- {$I TeeDefs.inc}
- unit Mouse_Wheel;
-
- interface
-
- uses
- Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- Base, StdCtrls, TeEngine, Series, ExtCtrls, TeeProcs, Chart;
-
- type
- TMouseWheelForm = class(TBaseForm)
- Series1: THorizLineSeries;
- CheckBox1: TCheckBox;
- LabelMouse: TLabel;
- procedure CheckBox1Click(Sender: TObject);
- procedure FormCreate(Sender: TObject);
- procedure Chart1Click(Sender: TObject);
- procedure FormShow(Sender: TObject);
- private
- { Private declarations }
- public
- { Public declarations }
- end;
-
- implementation
-
- {$R *.DFM}
-
- procedure TMouseWheelForm.CheckBox1Click(Sender: TObject);
- begin
- TeeUseMouseWheel:=CheckBox1.Checked;
- Chart1.SetFocus;
- end;
-
- procedure TMouseWheelForm.FormCreate(Sender: TObject);
- begin
- inherited;
- Series1.FillSampleValues(100);
- Chart1.TabStop:=True;
- end;
-
- procedure TMouseWheelForm.Chart1Click(Sender: TObject);
- begin
- if not Chart1.Focused then Chart1.SetFocus;
- end;
-
- procedure TMouseWheelForm.FormShow(Sender: TObject);
- begin
- inherited;
- {$IFDEF D4}
- if Mouse.WheelPresent then
- LabelMouse.Caption:='Mouse Wheel Present !'
- else
- LabelMouse.Caption:='Your Mouse has no Wheel. Sorry.';
- {$ENDIF}
- end;
-
- initialization
- RegisterClass(TMouseWheelForm);
- end.
-