Sets VM registration parameter VM bundle dir path.
PRL_RESULT PrlVmRegisterParams_SetVmDirPath( PRL_HANDLE hParams, PRL_CONST_STR pStr );
PrlApiVm.h
PRL_RESULT. Possible values are:
PRL_ERR_INVALID_ARG - Invalid handle or null pointer was passed. PRL_ERR_SUCCESS - Function completed successfully.