private void GetDescription()
{
if (SCPD == null)
return;
WebRequest request = WebRequest.Create(SCPD);
XmlDocument doc = new XmlDocument();
doc.Load(request.GetResponse().GetResponseStream());
foreach (XmlNode node in doc.SelectNodes("/*[local-name()='scpd']/*[local-name()='actionList']/*[local-name()='action']"))
{
ServiceAction action = new ServiceAction(node.SelectSingleNode("*[local-name()='name']/text()").Value, Protocol);
foreach (XmlNode argumentNode in node.SelectNodes("*[local-name()='argumentList']/*[local-name()='argument']"))
{
string argumentName = argumentNode.SelectSingleNode("*[local-name()='name']/text()").Value;
string argumentType = argumentNode.SelectSingleNode("*[local-name()='relatedStateVariable']/text()").Value;
if (!ArgumentType.IsArgumentType(argumentType))
argumentType = doc.SelectSingleNode("/*[local-name()='scpd']/*[local-name()='serviceStateTable']/*[local-name()='stateVariable' and ./*[local-name()='name']/text()='" + argumentType + "']/*[local-name()='dataType']/text()").Value;
action.Add(new ServiceActionArgument<string>(argumentName, argumentType, argumentNode.SelectSingleNode("*[local-name()='direction']/text()").Value));
}
actions.Add(action.Name, action);
}
}