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组件制作之五(托盘组件)
作者:武汉SEO闵涛  文章来源:敏韬网  点击数3615  更新时间:2009/4/23 18:34:08  文章录入:mintao  责任编辑:mintao

     result:=FIcon.Handle

   else

     result:=FDfIcon;

end;

//托盘消息的截获,以调用相应的事件调度方法

procedure TMyTray.WndProc(var Msg: TMessage);

var p:TPoint;

begin

  if (Msg.Msg=WM_TrayMsg)and(FActive) then

  begin

    case Msg.LParam of

      WM_LBUTTONDBLCLK://左双击

      begin

        GetCursorPos(p);

        DblClick;

        MouseDown(mbLeft, KeysToShiftState(TWMMouse(Msg).Keys)+[ssDouble], P.X, P.Y);

        if FRmode=LDbclick then

        begin

          ShowWindow(Application.Handle,SW_SHOW);

          //这里很重要的一个就是恢复窗口风格,不然下次把Active设为True

          //最小化后,窗口依然会往左下角飞去,而托盘图标却看不见了.

          SetWindowLong(Application.Handle,GWL_EXSTYLE    ,OldStyleEX);

          SendMessage(Application.Handle,WM_SYSCOMMAND,SC_RESTORE,0);

          SetTray(NIM_DELETE);

        end;

      end;

      WM_RBUTTONDBLCLK://右双击

      begin

        GetCursorPos(P);

        DblClick;

        MouseDown(mbRight, KeysToShiftState(TWMMouse(Msg).Keys)+[ssDouble], P.X, P.Y);

        if FRmode=RDbclick then

        begin

          ShowWindow(Application.Handle,SW_SHOW);

          SetWindowLong(Application.Handle,GWL_EXSTYLE    ,OldStyleEX);

          SendMessage(Application.Handle,WM_SYSCOMMAND,SC_RESTORE,0);

          SetTray(NIM_DELETE );

        end;

      end;

      WM_MOUSEMOVE: //鼠标移动

      begin

        GetCursorPos(P);

        MouseMove(KeysToShiftState(TWMMouse(Msg).Keys), P.X, P.Y);

      end;

      WM_LBUTTONDOWN: //左单击下

      begin

        GetCursorPos(P);

        IsClickIn:=True;

        MouseDown(mbLeft, KeysToShiftState(TWMMouse(Msg).Keys) + [ssLeft], P.X, P.Y);

      end;

      WM_LBUTTONUP:  //左单击弹起

      begin

        GetCursorPos(P);

        if IsClickIn then

        begin

          IsClickIn:=False;

          Click;

          if FRmode=LClick then

          begin

            ShowWindow(Application.Handle,SW_SHOW);

            SetWindowLong(Application.Handle,GWL_EXSTYLE ,OldStyleEX);

            SendMessage(Application.Handle,WM_SYSCOMMAND,SC_RESTORE,0);

            SetTray(NIM_DELETE );

          end;

 &nbs

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