いくつかの調査の後、私はこの解決策を考え出しました。これは少し低いレベルですが、.configファイルを手動で解析することなく、.NET設定APIを実行します。
static void SaveUserSettingDefault(string clientSectionName, string settingName, object settingValue)
{
System.Configuration.Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
// find section group
ConfigurationSectionGroup group = config.SectionGroups[@"userSettings"];
if (group == null) return;
// find client section
ClientSettingsSection clientSection = group.Sections[clientSectionName] as ClientSettingsSection;
if (clientSection == null) return;
// find setting element
SettingElement settingElement = null;
foreach (SettingElement s in clientSection.Settings)
{
if (s.Name == settingName)
{
settingElement = s;
break;
}
}
if (settingElement == null) return;
// remove the current value
clientSection.Settings.Remove(settingElement);
// change the value
settingElement.Value.ValueXml.InnerText = settingValue.ToString();
// add the setting
clientSection.Settings.Add(settingElement);
// save changes
config.Save(ConfigurationSaveMode.Full);
}
次の内容の.configを考える:あなたはこのようにそれを使用することになり
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
<section name="MyAssembly.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
</sectionGroup>
</configSections>
<userSettings>
<MyAssembly.Properties.Settings>
<setting name="SqlConnectionString" serializeAs="String">
<value>Server=(local);Database=myDatabase;Integrated Security=true;</value>
</setting>
</MyAssembly.Properties.Settings>
</userSettings>
</configuration>
:この場合
if (RunningAsAdmin) // save value in main exe's config file
{
SaveUserSettingDefault(@"MyAssembly.Properties.Settings", @"SQLConnectionString", theNewConnectionString);
}
else // save setting in user's config file
{
Settings.Default. SQLConnectionString = theNewConnectionString;
Settings.Default.Save();
}
残念ながら、このアプローチは 'userSettings'の継承された設定では動作しません。 – Tarik