Determines if a "Coherence Button" for the specified virtual machine should be shown when a user points to a Windows Start button
PRL_RESULT PrlVmCfg_GetCoherenceButtonVisibility( PRL_HANDLE hVmCfg, PRL_BOOL_PTR pbVmCoherenceButtonVisibility );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.