本文整理汇总了VB.NET中System.Security.Permissions.PrincipalPermissionAttribute.PrincipalPermissionAttribute构造函数的典型用法代码示例。如果您正苦于以下问题：VB.NET PrincipalPermissionAttribute构造函数的具体用法？VB.NET PrincipalPermissionAttribute怎么用？VB.NET PrincipalPermissionAttribute使用的例子？那么, 这里精选的构造函数代码示例或许可以为您提供帮助。您也可以进一步了解该构造函数所在类System.Security.Permissions.PrincipalPermissionAttribute的用法示例。
在下文中一共展示了PrincipalPermissionAttribute构造函数的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: SecurityPrincipalDemo
' 导入命名空间
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