Determines whether a VNC server is running for the specified virtual machine.
PRL_RESULT PrlVmInfo_IsVncServerStarted( PRL_HANDLE handle, PRL_BOOL_PTR pbIsVncServerStarted );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_NO_DATA - the VNC server state information is not available.
PRL_ERR_SUCCESS - function completed successfully.