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)
Parameters
- action
- Type: System.Security.Permissions.SecurityAction
One of the SecurityAction values.
| Exception | Condition |
|---|---|
| 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()); }
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.
