PropertyInformation Class

Contains meta-information on an individual property within the configuration. This type cannot be inherited.

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

Public NotInheritable Class PropertyInformation
Dim instance As PropertyInformation

public final class PropertyInformation
public final class PropertyInformation
Not applicable.

The PropertyInformation object contains the meta-information of an individual property within the configuration. This object can be used when validating and changing the properties of an individual attribute.

The PropertyInformation object is derived from the associated PropertyInformationCollection object. The PropertyInformationCollection object is derived from the associated ElementInformation object.

The following code example demonstrates how to use the PropertyInformation type.

Imports System
Imports System.Collections.Generic
Imports System.Text
Imports System.Configuration
Imports System.Web
Imports System.Web.Configuration

Namespace Samples.ConfigurationExamples
  Class UsingPropertyInformation
    Public Shared Sub Main()
        ' Set the path of the config file.
        Dim configPath As String = ""

        ' Get the Web application configuration object.
        Dim config As Configuration = _

        ' Get the section related object.

        Dim configSection As AnonymousIdentificationSection = _
        CType(config.GetSection("system.web/anonymousIdentification"), _

        ' Display title.
        Console.WriteLine("Configuration PropertyInformation")
        Console.WriteLine("Section: anonymousIdentification")

        ' Instantiate a new PropertyInformationCollection object.
        Dim propCollection As PropertyInformationCollection = _

        ' Display Collection Count.
        Console.WriteLine("Collection Count: {0}", _

        ' Display properties of elements 
        ' of the PropertyInformationCollection.
        For Each propertyItem As PropertyInformation In propCollection
          Console.WriteLine("Property Details:")

          ' Display the Name property.
          Console.WriteLine("Name: {0}", propertyItem.Name)

          ' Display the Value property.
          Console.WriteLine("Value: {0}", propertyItem.Value)

          ' Display the DefaultValue property.
          Console.WriteLine("DefaultValue: {0}", _
            propertyItem.DefaultValue) _

          ' Display the Type property.
          Console.WriteLine("Type: {0}", propertyItem.Type)

          ' Display the IsKey property.
          Console.WriteLine("IsKey: {0}", propertyItem.IsKey)

          ' Display the IsLocked property.
          Console.WriteLine("IsLocked: {0}", propertyItem.IsLocked)

          ' Display the IsModified property.
          Console.WriteLine("IsModified: {0}", propertyItem.IsModified)

          ' Display the IsRequired property.
          Console.WriteLine("IsRequired: {0}", propertyItem.IsRequired)

          ' Display the LineNumber property.
          Console.WriteLine("LineNumber: {0}", propertyItem.LineNumber)

          ' Display the Source property.
          Console.WriteLine("Source: {0}", propertyItem.Source)

          ' Display the Validator property.
          Console.WriteLine("Validator: {0}", propertyItem.Validator)

          ' Display the ValueOrigin property.
          Console.WriteLine("ValueOrigin: {0}", propertyItem.ValueOrigin)

        Console.WriteLine("Configuration - Accessing an Attribute")
        ' Create EllementInformation object.
        Dim elementInfo As ElementInformation = _
        ' Create a PropertyInformationCollection object.
        Dim propertyInfoCollection As PropertyInformationCollection = _
        ' Create a PropertyInformation object.
        Dim myPropertyInfo As PropertyInformation = _
        ' Display the property value.
        Console.WriteLine _
          ("anonymousIdentification Section - Enabled: {0}", _

      Catch e As Exception
        ' Error.
        Console.WriteLine("Error: {0}", _
      End Try

      ' Display and wait.
    End Sub
  End Class
End Namespace


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0