DataContractJsonSerializer.IsStartObject Method (XmlReader)
Determines whether the XmlReader is positioned on an object that can be deserialized.
Assembly: System.Runtime.Serialization (in System.Runtime.Serialization.dll)
This method checks whether the reader is positioned on an element that can be deserialized, and returns true if it is. To return true, the found element must have the expected name.
Available since 3.5