setRate method
Implementation
int setRate(int RateAdjust) => (ptr.ref.vtable + 28)
.cast<
Pointer<NativeFunction<Int32 Function(Pointer, Int32 RateAdjust)>>>()
.value
.asFunction<
int Function(Pointer, int RateAdjust)>()(ptr.ref.lpVtbl, RateAdjust);