System.Xml.XmlWriter.Dispose C# (CSharp) Method

        protected virtual void Dispose(bool disposing) {
            if (WriteState != WriteState.Closed) {
                Close();
            }
        }

 private void Clear()
 {
     _memoryStream = null;
     _uriPhpStream?.Dispose();
     _uriPhpStream = null;
     _writer?.Dispose();
     _writer = null;
 }