<Thumb DockPanel.Dock="Right">
                    <i:Interaction.Behaviors>
                        <behaviors:ThumbLink ThumbDelta="{Binding Path=SizeDelta, Mode=OneWayToSource}" />
                    </i:Interaction.Behaviors>
                    <Thumb.Template>
                        <ControlTemplate>
                            <ResizeGrip />
                        </ControlTemplate>
                    </Thumb.Template>
                </Thumb>