Sets the virtual machine multi-display option.
PRL_RESULT PrlVmCfg_SetMultiDisplay( PRL_HANDLE hVmCfg, PRL_BOOL bVmMultiDisplay );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.