scroll method
Implementation
int scroll(int horizontalAmount, int verticalAmount) => (ptr.ref.vtable + 3)
.cast<
Pointer<
NativeFunction<
Int32 Function(
Pointer,
Int32 horizontalAmount,
Int32 verticalAmount,
)
>
>
>()
.value
.asFunction<
int Function(Pointer, int horizontalAmount, int verticalAmount)
>()(ptr.ref.lpVtbl, horizontalAmount, verticalAmount);