Configuration.AppSettings Property

 

Gets the AppSettingsSection object configuration section that applies to this Configuration object.

Namespace:   System.Configuration
Assembly:  System.Configuration (in System.Configuration.dll)

Public ReadOnly Property AppSettings As AppSettingsSection

Property Value

Type: System.Configuration.AppSettingsSection

An AppSettingsSection object representing the appSettings configuration section that applies to this Configuration object.

Use the AppSettings property to access and change the appSettings configuration section defined by default in the open configuration file.

The following code example demonstrates how to use the AppSettings property.

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

.NET Framework
Available since 2.0
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