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isExpanded binding does not work

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TreeListView

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Alex asked on 20 Sep 2010, 01:46 PM

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

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