I’m trying to invite guest to google calendar using GData. I found
http://www.mail-archive.com/google-calendar-help-dataapi@googlegroups.com/msg01759.html
But on the line:
entry.ExtensionElements.Add(fragment.FirstChild);
I get a compile error saying:
Error 3 Argument 1: cannot convert from 'System.Xml.XmlNode' to 'Google.GData.Client.IExtensionElementFactory'
What am I missing?
I solved it myself: