WebPermissionAttribute.WebPermissionAttribute Constructor
.NET Framework 3.0
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)
Assembly: System (in system.dll)
'Declaration Public Sub New ( _ action As SecurityAction _ ) 'Usage Dim action As SecurityAction Dim instance As New WebPermissionAttribute(action)
public WebPermissionAttribute ( SecurityAction action )
public function WebPermissionAttribute ( action : SecurityAction )
Not applicable.
Parameters
- action
One of the SecurityAction values.
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
// Set the declarative security for the URI.
/** @attribute 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 (System.Exception e) {
Console.WriteLine("Exception : " + e.ToString());
}
} //Connect
Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, 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.