getChannelVolume method
Implementation
int getChannelVolume(int dwIndex, Pointer<Float> pfLevel) => (ptr.ref.vtable +
5)
.cast<
Pointer<
NativeFunction<
Int32 Function(Pointer, Uint32 dwIndex, Pointer<Float> pfLevel)
>
>
>()
.value
.asFunction<int Function(Pointer, int dwIndex, Pointer<Float> pfLevel)>()(
ptr.ref.lpVtbl,
dwIndex,
pfLevel,
);