GetGroupingParam method
Implementation
int GetGroupingParam(Pointer<GUID> pRetVal) => ptr.ref.vtable
.elementAt(8)
.cast<
Pointer<
NativeFunction<Int32 Function(Pointer, Pointer<GUID> pRetVal)>>>()
.value
.asFunction<
int Function(
Pointer, Pointer<GUID> pRetVal)>()(ptr.ref.lpVtbl, pRetVal);