void CWriteINI_expDlg::OnWrite()
{
 CString inifilepath = "c:\\test.ini";
 CString str;
 GetDlgItem(IDC_DATE)->GetWindowText(str);
 if(WritePrivateProfileString(_T("section"),_T("key"),str,inifilepath))
  MessageBox("Done");
}

WritePrivateProfileString(_T("section"),_T("key"),str,inifilepath)

这个函数

[section]

key=(IDC_DATE的值)

void CWriteINI_expDlg::OnRead()
{
 CString inifilepath = "c:\\test.ini";
 CString str;
 int i=0;
 DWORD result = ::GetPrivateProfileInt(_T("section"),_T("key"),i,inifilepath);
 str.Format("%d",result);
 GetDlgItem(IDC_DATE)->SetWindowText(str);
 
}

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