getCategory method
Implementation
int getCategory(Pointer<Int32> pCategory) => (ptr.ref.vtable + 4)
.cast<
Pointer<
NativeFunction<
Int32 Function(Pointer, Pointer<Int32> pCategory)>>>()
.value
.asFunction<int Function(Pointer, Pointer<Int32> pCategory)>()(
ptr.ref.lpVtbl, pCategory);