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ConfigurationSettings.AppSettings Property

Note: This API is now obsolete.

Gets a read-only NameValueCollection of the application settings section of the configuration file.

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

[ObsoleteAttribute("This method is obsolete, it has been replaced by System.Configuration!System.Configuration.ConfigurationManager.AppSettings")]
public static NameValueCollection AppSettings { get; }

Property Value

Type: System.Collections.Specialized.NameValueCollection
A read-only NameValueCollection of the application settings section from the configuration file.

The appSettings section element of the configuration file contains a series of name/value pairs that your application can use for any purpose.

This method is deprecated and is maintained for backward compatibility. Please use the GetSection method instead.

NoteNote

The ConfigurationSettings class provides backward compatibility only. You should use the ConfigurationManager class or WebConfigurationManager class instead.

.NET Framework

Supported in: 1.1, 1.0
Obsolete (compiler warning) in 4.5.2
Obsolete (compiler warning) in 4.5.1
Obsolete (compiler warning) in 4.5
Obsolete (compiler warning) in 4
Obsolete (compiler warning) in 3.5
Obsolete (compiler warning) in 3.5 SP1
Obsolete (compiler warning) in 3.0
Obsolete (compiler warning) in 3.0 SP1
Obsolete (compiler warning) in 3.0 SP2
Obsolete (compiler warning) in 2.0
Obsolete (compiler warning) in 2.0 SP1
Obsolete (compiler warning) in 2.0 SP2

.NET Framework Client Profile

Obsolete (compiler warning) in 4
Obsolete (compiler warning) in 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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