C# NamedPermissionSet.Demand方法代码示例

		// S1006/ImperativeSecurity
		public static void Work()
		{
			NamedPermissionSet permissions = new NamedPermissionSet("Custom");
			permissions.Demand();		
					
			SecureClass.RevertDocument();
		}

        public static void Access()
        {
            // This security check fails if the caller
             // does not have full trust.
             NamedPermissionSet pset= new NamedPermissionSet("FullTrust");

             // This try-catch block shows the caller's permissions.
             // Correct code would either not catch the exception,
             // or would rethrow it.
             try
             {
            pset.Demand();
             }
             catch (SecurityException e)
             {
            Console.WriteLine("Demand for full trust:{0}", e.Message);
             }
             // Call the type that requires full trust.
             // Violates rule AptcaMethodsShouldOnlyCallAptcaMethods.
             ClassRequiringFullTrust.DoWork();
        }