removeFocusChangedEventHandler method
Implementation
int removeFocusChangedEventHandler(Pointer<COMObject> handler) => (ptr
.ref.vtable +
40)
.cast<
Pointer<
NativeFunction<
Int32 Function(Pointer, Pointer<COMObject> handler)>>>()
.value
.asFunction<int Function(Pointer, Pointer<COMObject> handler)>()(
ptr.ref.lpVtbl, handler);