EnableOpenDropDown method
Implementation
int EnableOpenDropDown(int dwIDCtl) => ptr.ref.vtable
.elementAt(3)
.cast<Pointer<NativeFunction<Int32 Function(Pointer, Uint32 dwIDCtl)>>>()
.value
.asFunction<
int Function(Pointer, int dwIDCtl)>()(ptr.ref.lpVtbl, dwIDCtl);