本文整理汇总了VB.NET中System.Net.DnsPermissionAttribute类的典型用法代码示例。如果您正苦于以下问题：VB.NET DnsPermissionAttribute类的具体用法？VB.NET DnsPermissionAttribute怎么用？VB.NET DnsPermissionAttribute使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了DnsPermissionAttribute类的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: Main
' Uses the DnsPermissionAttribute to restrict access only to those who have permission.
<DnsPermission(SecurityAction.Demand, Unrestricted := true)> _
Public Class MyClass1
Public Shared Function GetIPAddress() As IPAddress
Dim ipAddress As IPAddress = Dns.Resolve("localhost").AddressList(0)
Return ipAddress
End Function 'GetIPAddress
Public Shared Sub Main()
Try
' Grants Access.
Console.WriteLine(("Access granted" + ControlChars.NewLine + " The local host IP Address is :" + MyClass1.GetIPAddress().ToString()))
' Denies Access.
Catch securityException As SecurityException
Console.WriteLine("Access denied")
Console.WriteLine(securityException.ToString())
End Try
End Sub
End Class