getItem method
Implementation
int getItem(int row, int column, Pointer<Pointer<COMObject>> element) =>
(ptr.ref.vtable + 3)
.cast<
Pointer<
NativeFunction<
Int32 Function(Pointer, Int32 row, Int32 column,
Pointer<Pointer<COMObject>> element)>>>()
.value
.asFunction<
int Function(Pointer, int row, int column,
Pointer<Pointer<COMObject>> element)>()(
ptr.ref.lpVtbl, row, column, element);