or
<Controls:RadTreeView.ItemContainerStyle>
<Style TargetType="{x:Type Controls:RadTreeViewItem}">
<Setter Property="WorkspaceExplorer:MouseDoubleClickBehavior.MouseDoubleClick" Value="{Binding ActivateItemCommand}" />
<Setter Property="Margin" Value="0"/>
<Setter Property="Padding" Value="0"/>
<Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}" />
<Setter Property="IsSelected" Value="{Binding IsSelected, Mode=TwoWay}" />
<Setter Property="FontWeight" Value="Normal" />
<Style.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter Property="FontWeight" Value="Bold" />
</Trigger>
</Style.Triggers>
</Style>
</Controls:RadTreeView.ItemContainerStyle>
<Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition Height="500"/> </Grid.RowDefinitions> <GroupBox Header="Recherche" Margin="5"> <StackPanel Orientation="Horizontal"> <TextBlock Text="Filtre" Margin="5"/> <TextBox x:Name="txtFilter" Margin="5" Width="200"/> </StackPanel> </GroupBox> <telerik:RadGridView Grid.Row="1" Height="500" ShowGroupPanel="False" IsFilteringAllowed="False" CanUserFreezeColumns="False" CanUserReorderColumns="False" ValidatesOnDataErrors="None" FilterTextBox:TextBoxFilterBehavior.TextBox="{Binding ElementName=txtFilter}" SelectedItem="{Binding SelectedItem}" IsReadOnly="True" RowIndicatorVisibility="Collapsed" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" ItemsSource="{Binding ItemList}" AutoGenerateColumns="False"> <i:Interaction.Triggers> <i:EventTrigger EventName="MouseDoubleClick" > <ei:CallMethodAction TargetObject="{Binding}" MethodName="EditCommand"/> </i:EventTrigger> </i:Interaction.Triggers> <telerik:RadGridView.Columns> <telerik:GridViewDataColumn Width="100" Header="Code" DataMemberBinding="{Binding Code}" UniqueName="Code"/> <telerik:GridViewDataColumn Width="450" Header="DƩsignation Longue" DataMemberBinding="{Binding LongName}"/> <telerik:GridViewCheckBoxColumn Width="80" Header="BloquƩ" DataMemberBinding="{Binding IsLocked}" UniqueName="IsLocked"/> </telerik:RadGridView.Columns> </telerik:RadGridView> </Grid>