//---------------------------------------------------------------------------
            // 大五码转GBK码：
            // い地?チ?㎝瓣 --> 中華人民共和國
            void __fastcall BIG52GBK(char *szBuf)
            {
            　if(!strcmp(szBuf, ""))
            return;
            　int nStrLen = strlen(szBuf);
            　wchar_t *pws = new wchar_t[nStrLen + 1];
            　try
            　{
            int nReturn = MultiByteToWideChar(950, 0, szBuf, nStrLen, pws, nStrLen + 1);
            BOOL bValue = false;
            nReturn = WideCharToMultiByte(936, 0, pws, nReturn, szBuf, nStrLen + 1, "?", &bValue);
            szBuf[nReturn] = 0;
            　}
            　__finally
            　{
            delete[] pws;
            　}
            }
            //---------------------------------------------------------------------------
            // GBK转大五码
            // 中華人民共和國 --> い地?チ?㎝瓣
            void __fastcall GBK2BIG5(char *szBuf)
            {
            　if(!strcmp(szBuf, ""))
            return ;
            　int nStrLen = strlen(szBuf);
            　wchar_t *pws = new wchar_t[nStrLen + 1];
            　try
            　{
            MultiByteToWideChar(936, 0, szBuf, nStrLen, pws, nStrLen + 1);
            BOOL bValue = false;
            WideCharToMultiByte(950, 0, pws, nStrLen, szBuf, nStrLen + 1, "?", &bValue);
            szBuf[nStrLen] = 0;
            　}
            　__finally
            　{
            delete[] pws;
            　}
            }
            //----------------------------------------------------------------------------
            // GB2312码转GBK码
            // 中华人民共和国 --> 中華人民共和國
            void __fastcall GB2GBK(char *szBuf)
            {
            　if(!strcmp(szBuf, ""))
            return;
            　int nStrLen = strlen(szBuf);
            　WORD wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_PRC);
            　int nReturn = LCMapString(wLCID, LCMAP_TRADITIONAL_CHINESE, szBuf, nStrLen, NULL, 0);
            　if(!nReturn)
            return;
            　char *pcBuf = new char[nReturn + 1];
            　try
            　{
            wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_PRC);
            LCMapString(wLCID, LCMAP_TRADITIONAL_CHINESE, szBuf, nReturn, pcBuf, nReturn + 1);
            strncpy(szBuf, pcBuf, nReturn);
            　}
            　__finally
            　{
            delete[] pcBuf;
            　}
            }
            //---------------------------------------------------------------------------
            // GBK码转GB2312码
            // 中華人民共和國 --> 中华人民共和国
            void __fastcall GBK2GB(char *szBuf)
            {
            　if(!strcmp(szBuf, ""))
            return;
            　int nStrLen = strlen(szBuf);
            　WORD wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_BIG5);
            　int nReturn = LCMapString(wLCID, LCMAP_SIMPLIFIED_CHINESE, szBuf, nStrLen, NULL, 0);
            　if(!nReturn)
            return;
            　char *pcBuf = new char[nReturn + 1];
            　try
            　{
            wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_BIG5);
            LCMapString(wLCID, LCMAP_SIMPLIFIED_CHINESE, szBuf, nReturn, pcBuf, nReturn + 1);
            strncpy(szBuf, pcBuf, nReturn);
            　}
            　__finally
            　{
            delete []pcBuf;
            　}
            }
            //---------------------------------------------------------------------------
            // 测试代码
            void __fastcall TForm1::Button1Click(TObject *Sender)
            {
            　char szBuf[255];
            　// 从GB2312转到GBK
            　strcpy(szBuf, Edit1->Text.c_str());
            　GB2GBK(szBuf);
            　Edit2->Text = String(szBuf);
            　// 从GB2312转到BIG5，通过GBK中转
            　strcpy(szBuf, Edit1->Text.c_str());
            　GB2GBK(szBuf);
            　GBK2BIG5(szBuf);
            　Edit3->Text = String(szBuf);
            }