[.NET] [C#] Resolución de Pantalla

/*
*    'ChangeDisplay'
*    [IN] Width - Ancho en pixeles.
*    [IN] Height - Alto en pixeles.
*    [IN] Bpp - Resolusción en bits.Yo utilizo 16.
*    [IN] bRestore - si false cambiar modo.
*              - si true restaurar modo.
*/
bool ChangeDisplay(int Width, int Height,int Bpp, bool bRestore = false)
{
    if(FALSE == bRestore)
    {
        DEVMODE pDev;
        LONG lRet;
        memset(&pDev,0,sizeof(pDev));
        pDev.dmSize = sizeof(pDev);
        pDev.dmPelsWidth = Width;
        pDev.dmPelsHeight = Height;
        pDev.dmBitsPerPel = Bpp;
        pDev.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
        lRet = ChangeDisplaySettings(&pDev,CDS_SETRECT | CDS_FULLSCREEN | CDS_SET_PRIMARY);
           if(lRet != DISP_CHANGE_SUCCESSFUL)
        {
            TCHAR szMsj[] = "No se pudo cambiar el modo de pantalla a %dx%dx%d \n Error: %s";
            switch(lRet)
            {
            case DISP_CHANGE_FAILED:  
                MsgOut(NULL,MB_OK | MB_ICONHAND,"Error",szMsj,Width,Height,Bpp,"Failed");
                break;
            case DISP_CHANGE_BADMODE:
                MsgOut(NULL,MB_OK | MB_ICONHAND,"Error",szMsj,Width,Height,Bpp,"Bad Mode");
                break;
            case DISP_CHANGE_BADFLAGS:
                MsgOut(NULL,MB_OK | MB_ICONHAND,"Error",szMsj,Width,Height,Bpp,"Bad Flags");
                break;
            case DISP_CHANGE_BADPARAM: 
                MsgOut(NULL,MB_OK | MB_ICONHAND,"Error",szMsj,Width,Height,Bpp,"Bad Param");
                break;
            }
            return (false); 
        }
        ShowCursor(TRUE);
    }else{
        ChangeDisplaySettings(NULL,0);
        ShowCursor(TRUE);
    }
    return (true);
}