isExpanded binding does not work

[Alex]

I am trying to binf isExpanded property, but the nodes dont expand on tree load ... xaml content:

 

 

<UserControl.Resources>

<telerik:ContainerBindingCollection x:Name="BindingsCollection">
            <telerik:ContainerBinding PropertyName="IsExpanded" Binding="{Binding Expanded, Mode=TwoWay}"/>
            <telerik:ContainerBinding PropertyName="IsSelected" Binding="{Binding Selected, Mode=TwoWay}"/>
        </telerik:ContainerBindingCollection>

        <telerik:HierarchicalDataTemplate x:Key="test" ItemsSource="{Binding Children}"
                        telerik:ContainerBinding.ContainerBindings="{StaticResource BindingsCollection}">
            <TextBlock Text="{Binding DisplayName}"/>
        </telerik:HierarchicalDataTemplate>

        <telerik:HierarchicalDataTemplate x:Key="Children" ItemsSource="{Binding Children}"
                        telerik:ContainerBinding.ContainerBindings="{StaticResource BindingsCollection}">
                <TextBlock Text="{Binding DisplayName}" />
        </telerik:HierarchicalDataTemplate>

</UserControl.Resources>


<localcontrols:RadTreeView IsLineEnabled="True" IsEditable="False"
                    Grid.Row="0" Grid.Column="0" MinWidth="300"
                    x:Name="TreeListView" Background="White"
                                                   ItemTemplate="{StaticResource test}"
                    ScrollViewer.HorizontalScrollBarVisibility="Auto"
                    ScrollViewer.VerticalScrollBarVisibility="Auto"
                    IsExpandOnSingleClickEnabled="False"
                    IsExpandOnDblClickEnabled="True"
                    SelectionChanged="TreeListView_SelectionChanged"
                    Expanded="TreeListView_Expanded"
                    PreviewExpanded="TreeListView_PreviewExpanded"
                    IsLoadOnDemandEnabled="True"
                    LoadOnDemand="TreeListView_LoadOnDemand"/>

 

 

 

Thanks

 

 

 

 

 

[Miro Miroslavov]

Hi Alex,

 Can you check this online example. It is doing exactly that. If you still have issues with - it will be easier for us to find the problem, if you send us example project, demonstrating it.
Thank you for your cooperation.

Greetings,
Miro Miroslavov
the Telerik team