本文整理匯總了VB.NET中System.Security.Permissions.EnvironmentPermission類的典型用法代碼示例。如果您正苦於以下問題：VB.NET EnvironmentPermission類的具體用法？VB.NET EnvironmentPermission怎麽用？VB.NET EnvironmentPermission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EnvironmentPermission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: New EnvironmentPermission
' 導入命名空間
Imports System.Security.Principal
Imports System.Security.Permissions
Imports System.IO
public class MainClass
Shared Sub Main()
Dim oEp As EnvironmentPermission = New EnvironmentPermission(EnvironmentPermissionAccess.Read, "Temp")
Dim sEv As String
oEp.Assert()
Try
sEv = Environment.GetEnvironmentVariable("Temp")
Console.WriteLine("Assert was a success")
Catch objA As System.Exception
Console.WriteLine("Assert failed")
End Try
System.Security.CodeAccessPermission.RevertAssert()
oEp.Deny()
Try
sEv = Environment.GetEnvironmentVariable("Temp")
Console.WriteLine("Deny was a success")
Catch objA As System.Exception
Console.WriteLine("Deny failed")
End Try
Console.WriteLine(oEp.ToString)
End Sub
End Class