旋转wince的桌面的函数

ChangeDisplaySettingsEx ()
 
具体内容请看帮助。
This function changes the settings of the specified display device to the specified graphics mode.
LONG ChangeDisplaySettingsEx( LPCTSTR lpszDeviceName, LPDEVMODE lpDevMode, HWND hwnd, DWORD dwflags, LPVOID lParam );
 
When you change the display mode dynamically, the OS sends theWM_SETTINGCHANGE message to all running applications.
To query for the current orientation, call ChangeDisplaySettingsEx with lpDevMode set to DM_DISPLAYORIENTATION and dwflags set to CDS_TEST. The current orientation will be returned in lpDevMode.
 
关键参数 - dmDisplayOrientation 有以下取值：
    DMDO_0 不旋转 
        DMDO_90 旋转90度 
        DMDO_180 旋转180度   
        DMDO_270 旋转270度