WriteRaw writes out the given string "unescaped", in other words it better be well formed XML markup. So for the XmlNodeWriter we parse this string and build the resulting tree, so it maps to setting the InnerXml property.

'Declaration
 
Public Overloads Overrides Sub WriteRaw( _
   ByVal data As String _
) 

'Usage
 
Dim instance As XmlNodeWriter
Dim data As String
 
instance.WriteRaw(data)

public override void WriteRaw( 
   string data
)