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WebPermissionAttribute Constructor

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: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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