TApplicationEvents-OnMessage、OnIdle

转：http://ymg97526.blog.163.com/blog/static/17365816020101021703631/

//添加一个TApplicationEvents组件

//OnMessage:控制着整个应用程序的消息循环

//OnIdle:应用程序空闲时触发

procedure TForm1.ApplicationEvents1Idle(Sender: TObject; var Done: Boolean);

begin

Memo1.Lines.Add('Application Idled.');

end;

 

procedure TForm1.ApplicationEvents1Message(var Msg: tagMSG;

  var Handled: Boolean);

begin

Memo1.Lines.Add(Format('X=%d;Y=%d',[Msg.pt.X,Msg.pt.Y]));

end;