本文整理汇总了C#中System.Net.DnsPermission.FromXml方法的典型用法代码示例。如果您正苦于以下问题：C# DnsPermission.FromXml方法的具体用法？C# DnsPermission.FromXml怎么用？C# DnsPermission.FromXml使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。
在下文中一共展示了DnsPermission.FromXml方法的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C#代码示例。
示例1: ConstructDnsPermission
public void ConstructDnsPermission() {
try
{
// Create a DnsPermission instance.
DnsPermission permission = new DnsPermission(PermissionState.None);
// Create a SecurityElement instance by calling the ToXml method on the
// DnsPermission instance.
// Print its attributes, which hold the XML encoding of the DnsPermission
// instance.
Console.WriteLine("Attributes and Values of 'DnsPermission' instance :");
PrintKeysAndValues(permission.ToXml().Attributes);
// Create a SecurityElement instance.
SecurityElement securityElementObj = new SecurityElement("IPermission");
// Add attributes and values of the SecurityElement instance corresponding to
// the permission instance.
securityElementObj.AddAttribute("version", "1");
securityElementObj.AddAttribute("Unrestricted", "true");
securityElementObj.AddAttribute("class","System.Net.DnsPermission");
// Reconstruct a DnsPermission instance from an XML encoding.
DnsPermission permission1 = new DnsPermission(PermissionState.None);
permission1.FromXml(securityElementObj);
// Print the attributes and values of the constructed DnsPermission object.
Console.WriteLine("After reconstruction Attributes and Values of new DnsPermission instance :");
PrintKeysAndValues(permission1.ToXml().Attributes);
}
catch(NullReferenceException e)
{
Console.WriteLine("NullReferenceException caught!!!");
Console.WriteLine("Source : " + e.Source);
Console.WriteLine("Message : " + e.Message);
}
catch(SecurityException e)
{
Console.WriteLine("SecurityException caught!!!");
Console.WriteLine("Source : " + e.Source);
Console.WriteLine("Message : " + e.Message);
}
catch(ArgumentNullException e)
{
Console.WriteLine("ArgumentNullException caught!!!");
Console.WriteLine("Source : " + e.Source);
Console.WriteLine("Message : " + e.Message);
}
catch(Exception e)
{
Console.WriteLine("Exception caught!!!");
Console.WriteLine("Source : " + e.Source);
Console.WriteLine("Message : " + e.Message);
}
}
private void PrintKeysAndValues(Hashtable myList) {
// Get the enumerator that can iterate through the hash table.
IDictionaryEnumerator myEnumerator = myList.GetEnumerator();
Console.WriteLine("\t-KEY-\t-VALUE-");
while (myEnumerator.MoveNext())
Console.WriteLine("\t{0}:\t{1}", myEnumerator.Key, myEnumerator.Value);
Console.WriteLine();
}