本文整理匯總了VB.NET中System.Security.Permissions.PrincipalPermissionAttribute類的典型用法代碼示例。如果您正苦於以下問題：VB.NET PrincipalPermissionAttribute類的具體用法？VB.NET PrincipalPermissionAttribute怎麽用？VB.NET PrincipalPermissionAttribute使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了PrincipalPermissionAttribute類的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: SecurityPrincipalDemo
' 導入命名空間
Imports System.Threading
Imports System.Security.Permissions
Imports System.Security.Principal
Class SecurityPrincipalDemo
Public Shared Sub Main()
Try
' PrincipalPolicy must be set to WindowsPrincipal to check roles.
AppDomain.CurrentDomain.SetPrincipalPolicy(PrincipalPolicy.WindowsPrincipal)
' Check using the PrincipalPermissionAttribute
CheckAdministrator()
' Check using PrincipalPermission class.
Dim principalPerm As New PrincipalPermission(Nothing, "Administrators")
principalPerm.Demand()
Console.WriteLine("Demand succeeded.")
Catch e As Exception
Console.WriteLine(e.Message)
End Try
End Sub
<PrincipalPermission(SecurityAction.Demand, Role:="Administrators")> _
Shared Sub CheckAdministrator()
Console.WriteLine("User is an administrator")
End Sub
End Class