Returns the Parallels Tools package state information.
PRL_RESULT PrlVmToolsInfo_GetState( PRL_HANDLE handle, PRL_VM_TOOLS_STATE_PTR pVmToolsState );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_NO_DATA - the Parallels Tools package state information is not available.
PRL_ERR_SUCCESS - function completed successfully.