void AddLog(HWND edhwnd,CString addstr){ CString ss; GetWindowText(edhwnd,ss.GetBuffer(),GetWindowTextLength(edhwnd) +1); ss = ss + TEXT("\r\n") + addstr; SetWindowTextW(edhwnd,ss.GetBuffer());}
ss = ss + TEXT("\r\n") + addstr; 这句出问题了 堆栈损坏了。