WebPermissionAttribute(SecurityAction) Constructor
Definition
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)
Parameters
- action
- SecurityAction
One of the SecurityAction values.
Exceptions
action
is not a valid SecurityAction value.
Examples
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
Remarks
The SecurityAction value passed to this constructor specifies the allowable security actions that can be performed on this class.
Applies to
Σχόλια
https://aka.ms/ContentUserFeedback.
Σύντομα διαθέσιμα: Καθ' όλη τη διάρκεια του 2024 θα καταργήσουμε σταδιακά τα ζητήματα GitHub ως μηχανισμό ανάδρασης για το περιεχόμενο και θα το αντικαταστήσουμε με ένα νέο σύστημα ανάδρασης. Για περισσότερες πληροφορίες, ανατρέξτε στο θέμα:Υποβολή και προβολή σχολίων για