WebPermissionAttribute(SecurityAction) Constructor
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Initializes a new instance of the WebPermissionAttribute class with a value that specifies the security actions that can be performed on this class.
public:
WebPermissionAttribute(System::Security::Permissions::SecurityAction action);
public WebPermissionAttribute (System.Security.Permissions.SecurityAction action);
new System.Net.WebPermissionAttribute : System.Security.Permissions.SecurityAction -> System.Net.WebPermissionAttribute
Public Sub New (action As SecurityAction)
- action
- SecurityAction
One of the SecurityAction values.
action
is not a valid SecurityAction value.
The following example demonstrates how to apply WebPermissionAttribute to a method.
public:
// Set the declarative security for the URI.
[WebPermission(SecurityAction::Deny,Connect="http://www.contoso.com/")]
void Connect()
{
// Throw an exception.
try
{
HttpWebRequest^ myWebRequest = dynamic_cast<HttpWebRequest^>(WebRequest::Create( "http://www.contoso.com/" ));
}
catch ( Exception^ e )
{
Console::WriteLine( "Exception : {0}", e );
}
public void Connect()
{
// Throw an exception.
try
{
HttpWebRequest myWebRequest = (HttpWebRequest)WebRequest.Create("http://www.contoso.com/");
}
catch(Exception e)
{
Console.WriteLine("Exception : " + e.ToString());
}
' 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
The SecurityAction value passed to this constructor specifies the allowable security actions that can be performed on this class.
Product | Versions |
---|---|
.NET | 8 (package-provided), 9 (package-provided) |
.NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7 (package-provided), 4.7, 4.7.1 (package-provided), 4.7.1, 4.7.2 (package-provided), 4.7.2, 4.8 (package-provided), 4.8, 4.8.1 |
.NET Standard | 2.0 (package-provided) |
Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9 |
.NET feedback
.NET is an open source project. Select a link to provide feedback: