Question

RichEdit控件为什么不能使用右键的“复制，全选”等功能？

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Answer 1

比如这个过程就屏蔽了窗体上所有的右件菜单unit Unit1;interfaceuses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, Grids, Outline, DirOutln, ComCtrls;type TForm1 = class(TForm) Edit1: TEdit; Button1: TButton; procedure FormCreate(Sender: TObject); procedure MyDefineProcedure(var Msg: TMsg; var Handled: Boolean); private public end;var Form1: TForm1;implementation{$R *.DFM}procedure TForm1.MyDefineProcedure(var Msg: TMsg; var Handled: Boolean); begin if msg.message=WM_RBUTTONDOWN then msg.message:=WM_NULL; end;procedure TForm1.FormCreate(Sender: TObject);begin application.OnMessage:=MyDefineProcedure;end;end. 查看原帖>>