How to save the Schema and the LookAndFeel of WinForms GridGroupingControl and load it back from an XML file?

private void btnSaveXmlSchema_Click(object sender, EventArgs e)
{
   //Create xml Files to save the Schema and LooknFeel.
   XmlTextWriter xw = new XmlTextWriter("GridSchema.xml", System.Text.Encoding.UTF8);
   XmlTextWriter xwApp = new XmlTextWriter("GridLooknFeel.xml", System.Text.Encoding.UTF8);
   xw.Formatting = System.Xml.Formatting.Indented;
   //Save the Schame of the GGC.
   this.gridGroupingControl1.WriteXmlSchema(xw);
   //Save the LookAndFeel of the GGC.
   this.gridGroupingControl1.WriteXmlLookAndFeel(xwApp);
   xw.Close();
   xwApp.Close();
   Console.WriteLine("Schema is saved");
}
private void btnLoadXmlSchema_Click(object sender, EventArgs e)
{
   //Read the XMl Files.
   XmlReader xr = new XmlTextReader("GridSchema.xml");
   XmlReader xrApp = new XmlTextReader("GridLooknFeel.xml");
   //Apply the Xml Schema to the GGC.
   this.gridGroupingControl1.ApplyXmlSchema(xr);
   //Apply the LookAndFeel to the GGC.
   this.gridGroupingControl1.ApplyXmlLookAndFeel(xrApp);
   xr.Close();
   xrApp.Close();
   Console.WriteLine("Schema is Loaded");
}

Private Sub btnSaveXmlSchema_Click(ByVal sender As Object, ByVal e As EventArgs)
   'Create xml Files to save the Schema and LookAndFeel.
   Dim xw As New XmlTextWriter("GridSchema.xml", System.Text.Encoding.UTF8)
   Dim xwApp As New XmlTextWriter("GridLooknFeel.xml", System.Text.Encoding.UTF8)
   xw.Formatting = System.Xml.Formatting.Indented
   'Save the Schame of the GGC.
   Me.gridGroupingControl1.WriteXmlSchema(xw)
   'Save the LookAndFeel of the GGC.
   Me.gridGroupingControl1.WriteXmlLookAndFeel(xwApp)
   xw.Close()
   xwApp.Close()
   Console.WriteLine("Schema is saved")
End Sub
Private Sub btnLoadXmlSchema_Click(ByVal sender As Object, ByVal e As EventArgs)
   'Read the XMl Files.
   Dim xr As XmlReader = New XmlTextReader("GridSchema.xml")
   Dim xrApp As XmlReader = New XmlTextReader("GridLooknFeel.xml")
   'Apply the Xml Schema to the GGC.
   Me.gridGroupingControl1.ApplyXmlSchema(xr)
   'Apply the LookAndFeel to the GGC.
   Me.gridGroupingControl1.ApplyXmlLookAndFeel(xrApp)
   xr.Close()
   xrApp.Close()
   Console.WriteLine("Schema is Loaded")
End Sub