This code sample erroneously casts the pDeviceRelations pointer to type ULONG, which can truncate the pointer value if sizeof(pDeviceRelations) > sizeof(ULONG). The correct approach is to cast the pointer to ULONG_PTR, as shown in the following:
This code sample erroneously casts the pDeviceRelations pointer to type ULONG, which can truncate the pointer value if sizeof(pDeviceRelations) > sizeof(ULONG). The correct approach is to cast the pointer to ULONG_PTR, as shown in the following: