TestProF.pas
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上传用户:fh681027
上传日期:2022-07-23
资源大小:1959k
文件大小:2k
源码类别:
Delphi控件源码
开发平台:
Delphi
- unit TestProF;
- interface
- uses
- Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- StdCtrls, Spin, NumIntf;
- // redeclare the interface
- const
- Class_NumPropServer: TGUID =
- '{B165F7A1-DDF9-11D1-B9F1-004845400FAA}';
- type
- TForm1 = class(TForm)
- SpinEdit1: TSpinEdit;
- Button1: TButton;
- Button2: TButton;
- SpinEdit2: TSpinEdit;
- Button3: TButton;
- Button4: TButton;
- Label1: TLabel;
- Label2: TLabel;
- Button5: TButton;
- procedure FormCreate(Sender: TObject);
- procedure Button1Click(Sender: TObject);
- procedure Button2Click(Sender: TObject);
- procedure Button3Click(Sender: TObject);
- procedure Button4Click(Sender: TObject);
- procedure Button5Click(Sender: TObject);
- private
- Num1, Num2: INumberProp;
- public
- { Public declarations }
- end;
- var
- Form1: TForm1;
- implementation
- {$R *.DFM}
- uses
- ComObj;
- procedure TForm1.FormCreate(Sender: TObject);
- begin
- // create first object
- Num1 := CreateComObject (Class_NumPropServer)
- as INumberProp;
- Num1.Value := SpinEdit1.Value;
- Label1.Caption := 'Num1: ' + IntToStr (Num1.Value);
- Button1.Enabled := True;
- Button2.Enabled := True;
- // create second object
- Num2 := CreateComObject (Class_NumPropServer)
- as INumberProp;
- Label2.Caption := 'Num2: ' + IntToStr (Num2.Value);
- Button3.Enabled := True;
- Button4.Enabled := True;
- end;
- procedure TForm1.Button1Click(Sender: TObject);
- begin
- // change
- Num1.Value := SpinEdit1.Value;
- Label1.Caption := 'Num1: ' + IntToStr (Num1.Value);
- end;
- procedure TForm1.Button2Click(Sender: TObject);
- begin
- // increase
- Num1.Increase;
- Label1.Caption := 'Num1: ' + IntToStr (Num1.Value);
- end;
- procedure TForm1.Button3Click(Sender: TObject);
- begin
- Num2.Value := SpinEdit2.Value;
- Label2.Caption := 'Num2: ' + IntToStr (Num2.Value);
- end;
- procedure TForm1.Button4Click(Sender: TObject);
- begin
- Num2.Increase;
- Label2.Caption := 'Num2: ' + IntToStr (Num2.Value);
- end;
- procedure TForm1.Button5Click(Sender: TObject);
- var
- Num3: INumberProp;
- begin
- // create a new temporary COM object
- Num3 := CreateComObject (Class_NumPropServer)
- as INumberProp;
- Num3.Value := 100;
- Num3.Increase;
- ShowMessage ('Num3: ' + IntToStr (Num3.Value));
- end;
- end.