Call PB_GetVM to get a pointer to the IPB_VM interface
The next step is to call the PB_GetVM function
to get a pointer to the IPB_VM interface:
P_PB_GetVM getvm = (P_PB_GetVM)GetProcAddress
(hinst,"PB_GetVM");
if (getvm == NULL) return 0;
getvm(&pbvm);
if (pbvm == NULL) return 0;