void _Receive(MessageItemData item, bool b)
        {
            //Console.WriteLine(item._num.ToString() + " 의 값이 들어왔습니다!");

            this._view.result_int.Text     = item._num.ToString();
            this._view.result_double.Text  = item._dnum.ToString();
            this._view.result_double1.Text = item._todo[0].ToString();
            this._view.result_double2.Text = item._todo[1].ToString();
            this._view.result_double3.Text = item._todo[2].ToString();
            this._view.result_string.Text  = item.strTest.ToString();
            this._view.result_boolean.Text = item.isRun.ToString();
        }
        // 텍스트 전송 함수
        static bool _Send(MessageItemData messageitem)
        {
            bool bRet = false;

            int    iSizeOfStruct    = Marshal.SizeOf(typeof(MessageItemData));
            IntPtr pmipout_itemdata = Marshal.AllocCoTaskMem(iSizeOfStruct);

            Marshal.StructureToPtr(messageitem, pmipout_itemdata, true);


            bRet = NativeMethods.Send(pmipout_itemdata);

            Console.WriteLine("\n---------- C# 에서 받은 구조체 ----------");

            // 방법 1 : 변경된 구조체를 받는 방법
            MessageItemData receivedata = (MessageItemData)Marshal.PtrToStructure(pmipout_itemdata, typeof(MessageItemData));

            Marshal.FreeHGlobal(pmipout_itemdata);

            return(bRet);
        }