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WebPermissionAttribute Constructor

Initializes a new instance of the WebPermissionAttribute class with a value that specifies the security actions that can be performed on this class.

Namespace:  System.Net
Assembly:  System (in System.dll)
public WebPermissionAttribute(
	SecurityAction action
)

Parameters

action
Type: System.Security.Permissions.SecurityAction

One of the SecurityAction values.

ExceptionCondition
ArgumentException

action is not a valid SecurityAction value.

The SecurityAction value passed to this constructor specifies the allowable security actions that can be performed on this class.

The following example demonstrates how to apply WebPermissionAttribute to a method.


// Set the declarative security for the URI.
[WebPermission(SecurityAction.Deny, Connect = @"http://www.contoso.com/")]
public void Connect() 
{
  // Throw an exception.    
  try
  {
    HttpWebRequest myWebRequest = (HttpWebRequest)WebRequest.Create("http://www.contoso.com/");
  }
  catch(Exception e)
  {
    Console.WriteLine("Exception : " + e.ToString());
  }

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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