https://learn.microsoft.com/id-id/dotnet/api/system.security.permissions.webbrowserpermissionattribute.-ctor?view=netframework-4.8
WebBrowserPermissionAttribute(SecurityAction) Constructor (System.Security.Permissions) | Microsoft...
Initializes a new instance of the WebBrowserPermissionAttribute class with the specified SecurityAction.
system securityconstructorpermissionsmicrosoft