Configuration.AppSettings Configuration.AppSettings Configuration.AppSettings Configuration.AppSettings Property

定义

获取应用于此 Configuration 对象的 AppSettingsSection 对象配置节。Gets the AppSettingsSection object configuration section that applies to this Configuration object.

public:
 property System::Configuration::AppSettingsSection ^ AppSettings { System::Configuration::AppSettingsSection ^ get(); };
public System.Configuration.AppSettingsSection AppSettings { get; }
member this.AppSettings : System.Configuration.AppSettingsSection
Public ReadOnly Property AppSettings As AppSettingsSection

属性值

一个 AppSettingsSection 对象,该对象表示应用于此 Configuration 对象 appSettings 配置节。An AppSettingsSection object representing the appSettings configuration section that applies to this Configuration object.

示例

下面的代码示例演示如何使用AppSettings属性。The following code example demonstrates how to use the AppSettings property.

try
{
    AppSettingsSection appSettings =
        config.AppSettings as AppSettingsSection;
    Console.WriteLine("Section name: {0}",
            appSettings.SectionInformation.SectionName);

    // Get the AppSettings section elements.
    Console.WriteLine();
    Console.WriteLine("Using AppSettings property.");
    Console.WriteLine("Application settings:");
    // Get the KeyValueConfigurationCollection 
    // from the configuration.
    KeyValueConfigurationCollection settings =
      config.AppSettings.Settings;

    // Display each KeyValueConfigurationElement.
    foreach (KeyValueConfigurationElement keyValueElement in settings)
    {
        Console.WriteLine("Key: {0}", keyValueElement.Key);
        Console.WriteLine("Value: {0}", keyValueElement.Value);
        Console.WriteLine();
    }
}
catch (ConfigurationErrorsException e)
{
    Console.WriteLine("Using AppSettings property: {0}",
        e.ToString());
}
Try
    Dim appSettings As AppSettingsSection = TryCast(config.AppSettings, AppSettingsSection)
    Console.WriteLine("Section name: {0}", appSettings.SectionInformation.SectionName)

    ' Get the AppSettings section elements.
    Console.WriteLine()
    Console.WriteLine("Using AppSettings property.")
    Console.WriteLine("Application settings:")
    ' Get the KeyValueConfigurationCollection 
    ' from the configuration.
    Dim settings As KeyValueConfigurationCollection = config.AppSettings.Settings

    ' Display each KeyValueConfigurationElement.
    For Each keyValueElement As KeyValueConfigurationElement In settings
        Console.WriteLine("Key: {0}", keyValueElement.Key)
        Console.WriteLine("Value: {0}", keyValueElement.Value)
        Console.WriteLine()
    Next keyValueElement
Catch e As ConfigurationErrorsException
    Console.WriteLine("Using AppSettings property: {0}", e.ToString())
End Try

注解

使用属性来访问和更改在打开appSettings的配置文件中默认定义的配置节。 AppSettingsUse the AppSettings property to access and change the appSettings configuration section defined by default in the open configuration file.

适用于