public UInt32 Ffb_h_EffOp(IntPtr Packet, ref FFB_EFF_OP Operation) { return _Ffb_h_EffOp( Packet, ref Operation);} public UInt32 Ffb_h_DevGain(IntPtr Packet, ref Byte Gain) { return _Ffb_h_DevGain( Packet, ref Gain);}