//CString轉化為int

                 CString strnum="123";
                 nt resultnum=-1;  
                char *pStr=(char *)strnum.GetBuffer(0);  
                sscanf(pStr,"%d",&resultnum);
                 

               //int轉化為LPCTSTR

            itn reultnum=123;
             char   szBuf[4]; //int 是4個位元組，而char是1個位元組，所以陣列大小是4
             LPCTSTR Text1;
             sprintf(szBuf,"%d",resultnum);// 歌曲序號從1開始,所以為i+1
              Text1=LPCTSTR(szBuf);