after save docking,documentpane's title lost

[Wendy]

          private string SaveLayoutAsString()
        {
            MemoryStream stream = new MemoryStream();
            this.Docking.SaveLayout(stream);

            stream.Seek(0, SeekOrigin.Begin);

            StreamReader reader = new StreamReader(stream);
            return reader.ReadToEnd();
        }

        private void LoadLayoutFromString(string xml)
        {
            using (Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(xml)))
            {
                stream.Seek(0, SeekOrigin.Begin);
                this.Docking.LoadLayout(stream);
            }
        }

        private void LoadTest_Click(object sender, RoutedEventArgs e)
        {
             LoadLayoutFromString(this.XmlTextBox.Text);
        }

        private void SaveLayoutTest_Click(object sender, RoutedEventArgs e)
        {
            this.XmlTextBox.Text = SaveLayoutAsString();
        }

<telerik:RadDocking x:Name="Docking"

                    Grid.Row="1"

                    BorderThickness="0"

                    Padding="0">

    <telerik:RadDocking.DocumentHost>

        <telerik:RadSplitContainer>

            <telerik:RadPaneGroup x:Name="DocumentGroup">

                <telerik:RadPane x:Name="LayoutXml"

                                 Header="Layout Xml"

                                 telerik:RadDocking.SerializationTag="LayoutXml"

                                 telerik:RadDocking.FloatingSize="450, 400">

                    <TextBox TextWrapping="Wrap"

                             Grid.Row="2"

                             x:Name="XmlTextBox"

                             Background="#19F4F4F5"

                             VerticalScrollBarVisibility="Auto"/>

                </telerik:RadPane>

                <telerik:RadDocumentPane Header="Document 1"

                                         Title="Document 1"

                                         telerik:RadDocking.SerializationTag="DocumentPane">

                    <TextBox x:Name="DocumentTextBox"

                             Text="Some text"

                             Background="#19F4F4F5" />

                </telerik:RadDocumentPane>

            </telerik:RadPaneGroup>

        </telerik:RadSplitContainer>

    </telerik:RadDocking.DocumentHost>

</telerik:RadDocking>

code as same as demo,i think code is ok,but don't understand why do not show title???
i drag RadDocumentPane,title is show

[Boyan]

Hi Wendy,

We had a similar bug in the previous release  2011.3.1220 and it should be fixed in the latest version of the controls -2012.1 215. Could you please give it a try. I have attached a project with the latest binaries included that is working fine at my side.

Kind regards,
Boyan
the Telerik team