void CMd5CalFile2Dlg::OnBnClickedButton1() { // TODO: 在此添加控件通知处理程序代码 m_showMd5Lower.SetWindowTextW(L""); m_showMd5Upper.SetWindowTextW(L""); LARGE_INTEGER liSize = { 0 }; CString path; m_editPath.GetWindowTextW(path); FileMap fileMap; char* lpBuffer = (char*)fileMap.CreateFileMap(path.GetBuffer(), &liSize); std::wstring strRet = Md5Partially((unsigned char*)lpBuffer, liSize.LowPart, 80*1024); m_showMd5Upper.SetWindowTextW(strRet.c_str()); for (unsigned int i = 0; i < strRet.size(); ++i) { if ( strRet[i] >= L'A' && strRet[i] <= L'Z') { strRet[i] = strRet[i] - L'A' + L'a'; } } m_showMd5Lower.SetWindowTextW(strRet.c_str()); }