Convert between CString and char*

1. CString to char*

CString ctrpath;
CStringA strPathA = CW2A(ctrpath.GetBuffer(), CP_THREAD_ACP);
    char*temp=strPathA.GetBuffer();

2. char* to CString (note that the uppercase S is lowercase garbled)

   CString str;
   str.Format(_T("%S"), charSource2);