When my selected Item is the last item of my list, and then i click Button1, Selected item is well the first of my list, but the scrollViewer is still at the end of the list.
I hope it's clear...
<telerik:RadListBox x:Name="RadListBox" Grid.Column="3" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" ScrollViewer.VerticalScrollBarVisibility="Disabled"
ItemsSource="{Binding RechercheResident.PagedSyntheseResidents, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}"
SelectedItem="{Binding RechercheResident.SelectedSyntheseResident, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">
<telerik:RadListBox.Background>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FF61B003" Offset="0.049"/>
<GradientStop Color="#FFC3FD89" Offset="0.854"/>
<GradientStop Color="#FFABE475" Offset="0.271"/>
</LinearGradientBrush>
</telerik:RadListBox.Background>
<telerik:RadListBox.ItemsPanel>
<ItemsPanelTemplate>
<telerik:RadWrapPanel Orientation="Horizontal" />
</ItemsPanelTemplate>
</telerik:RadListBox.ItemsPanel>
<telerik:RadListBox.ItemTemplate>
<DataTemplate>
<Grid Margin="2" VerticalAlignment="Stretch">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="50"/>
<ColumnDefinition Width="80"/>
</Grid.ColumnDefinitions>
<Image Grid.Column="0" Source="{Binding Photo}" Height="60" Stretch="Fill" />
<StackPanel Grid.Column="1" Orientation="Vertical">
<telerik:Label Margin ="0,0,0,0" Content="{Binding Resident.Titre, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource AgmLabelInputStyle}"/>
<telerik:Label Margin ="0,0,0,0" Content="{Binding Resident.Nom, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource AgmLabelInputStyle}"/>
<telerik:Label Margin ="0,0,0,0" Content="{Binding Resident.Prenom, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource AgmLabelInputStyle}"/>
</StackPanel>
</Grid>
</DataTemplate>
</telerik:RadListBox.ItemTemplate>
</telerik:RadListBox>