/// <summary>
///
/// </summary>
static WebProxyHelper()
{
if (File.Exists(s_Config_ProxyIPConfigPath))
{
_webProxyIPList = new HashSet <ProxyIPNode>(XmlSerializeHelper.DeserializeFromXml <List <ProxyIPNode> >(s_Config_ProxyIPConfigPath)).ToList();
}
else
{
_webProxyIPList = null;
}
}