这段是取第二屏分辨率
ShowMessage('当前分辨率是:' + IntToStr(MyScreen.Monitors[1].Width)+'X'+ IntToStr(Screen.Monitors[1].Height));
网上找的改分辨率函数 function SetScreen(X,Y:Word):Boolean;
 var
   DevMode:TDeviceMode;
   begin
     Result:=EnumDisplaySettings(nil,0,DevMode);
     if Result then
     begin
       DevMode.dmFields:=DM_PELSWIDTH or DM_PELSHEIGHT;
       DevMode.dmPelsWidth:=X;
       DevMode.dmPelsHeight:=Y;
       Result:=ChangeDisplaySettings(DevMode,0) =DISP_CHANGE_SUCCESSFUL;
     end;
   end;
但是此函数只能改第一屏,我要的是改第二个屏怎么办呢.