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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)

'Declaration
Public Sub New ( _
	action As SecurityAction _
)

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 Sub Connect()
     ' Throw an exception.	 
     Try
        Dim myWebRequest As HttpWebRequest = CType(WebRequest.Create("http://www.contoso.com"), HttpWebRequest)
     Catch e As Exception
        Console.WriteLine(("Exception : " + e.ToString()))
     End Try
  End Sub 'Connect



.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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