setChannelVolume method

int setChannelVolume(
  1. int dwIndex,
  2. double fLevel
)

Implementation

int setChannelVolume(int dwIndex, double fLevel) => (ptr.ref.vtable + 4)
        .cast<
            Pointer<
                NativeFunction<
                    Int32 Function(Pointer, Uint32 dwIndex, Float fLevel)>>>()
        .value
        .asFunction<int Function(Pointer, int dwIndex, double fLevel)>()(
    ptr.ref.lpVtbl, dwIndex, fLevel);