C# 修改配置文件

/// <summary>
/// 保存配置文件的设定
/// </summary>
/// <param name="Key"></param>
/// <param name="Value"></param>
public static void SaveAppConfig(string Key, string Value)
{
string strFilePath = System.Windows.Forms.Application.ExecutablePath;
Configuration objConfig = ConfigurationManager.OpenExeConfiguration(strFilePath);
bool bolExist = false;
foreach (string Item in objConfig.AppSettings.Settings.AllKeys)
{
if (Item == Key)
{
bolExist = true;
break;
}
}
if (bolExist)
{
objConfig.AppSettings.Settings.Remove(Key);
}
objConfig.AppSettings.Settings.Add(Key, Value);
objConfig.Save(ConfigurationSaveMode.Modified);
ConfigurationManager.RefreshSection("appSettings");
}