hJob =
PrlSrv_GetCommonPrefs( hServer );
PrlJob_Wait( hJob, 10000 );
PrlJob_GetResult( hJob, &hJobResult );
PrlHandle_Free( hJob );

// Get the PHT_DISP_CONFIG handle.
PRL_HANDLE hHandle;
PrlResult_GetParam( hJobResult, &hHandle );