添加一个菜单项到windows的系统菜单.txt

添加一个菜单项到Windows的系统菜单

为什么Windows的系统菜单总是一成不变？这个例子教你如何往系统菜单添加一个菜单项如about或information等。

这个例子将一个菜单项加到系统菜单中去。我们需要两个东西，一个是项名，这可以是如何整数；我们还需要一个程序去收取Windows对确认点击我们创建的菜单项的信息。 

Unit OhYeah; 

Interface 

Uses 

SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls, Forms, Dialogs, Menus; 

Type 

TForm1 = Class (TForm) 

Procedure FormCreate (Sender : TObject); 

Private {Private declarations} 
Public {Public declarations} 

Procedure WinMsg (Var Msg : TMsg; Var Handled : Boolean); 
Procedure DoWhatEever; 

End; 

Var 

Form1 : TForm1; 

Implementation 

{$R *.DFM} 

Const 

ItemID = 99; // 这个ID number代表你的菜单项，可以是任何值。

Procedure Tform1.WinMsg (Var Msg : TMsg; Var Handled : Boolean); 

Begin 

If Msg.Message = WM_SYSCOMMAND Then 
If Msg.WParam = ItemID Then DoWhatEver; 

End; 

Procedure TForm1.FormCreate (Sender : TObject); 

Begin 

Application.OnMessage := WinMsg; 
AppendMenu (GetSystemMenu (Form1.Handle, False), MF_SEPARATOR, 0, ''); 
AppendMenu (GetSystemMenu (Form1.Handle, False), MF_BYPOSITION, ItemID, '&My menu'); 
AppendMenu (GetSystemMenu (Application.Handle, False), MF_SEPARATOR, 0, ''); 
AppendMenu (GetSystemMenu (Application.Handle, False), MF_BYPOSITION, ItemID,'&My menu minimized'); 

End; 

Procedure TForm1.DoWhatEver; 

Begin 

Exit; //你可以添加任何你想加的东西到这里
End; 

End.