How to get Xml as string from XDocument?

I don't know when this changed, but today (July 2017) when trying the answers out, I got

"System.Xml.XmlDocument"

Instead of ToString(), you can use the originally intended way accessing the XmlDocument content: writing the xml doc to a stream.

XmlDocument xml = ...;
string result;

using (StringWriter writer = new StringWriter())
{
  xml.Save(writer);
  result = writer.ToString();
}

You only need to use the overridden ToString() method of the object:

XDocument xmlDoc ...
string xml = xmlDoc.ToString();

This works with all XObjects, like XElement, etc.

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