Gets virtual disk callback function and callback parameter assosiated with disk operations parameters handle.
PRL_RESULT PrlDiskOpParams_GetDiskCallback( PRL_HANDLE hParams, PRL_DISK_CALLBACK_PTR ppCallback, PRL_VOID_PTR_PTR ppParam );
PrlDisk.h
PRL_RESULT. Possible values are:
PRL_ERR_INVALID_ARG - Invalid handle or null pointer was passed. PRL_ERR_SUCCESS - Function completed successfully.