public static void IMC_SendMessage(int targetUserNo, StreamBuffer data, APICallbackHandler<ResponseBase> callback) { SecurePacket reqPacket = new SecurePacket(Protocol.GetID("CS_IMC_SendMessage_Req")); reqPacket.PutInt32(_userNo); reqPacket.PutInt32(targetUserNo); reqPacket.Write(data.Buffer); _request.SendPacket(reqPacket, (resPacket) => { callback(new ResponseBase(resPacket)); }); }