<Window.Resources>

    <ControlTemplate x:Key="ResizeDecoratorTemplate" TargetType="Control">

        <Grid>

            <local:ResizeThumb Height="3" Cursor="SizeNS" Margin="0 -4 0 0"

        VerticalAlignment="Top" HorizontalAlignment="Stretch"/>

            <local:ResizeThumb Width="3" Cursor="SizeWE" Margin="-4 0 0 0"

        VerticalAlignment="Stretch" HorizontalAlignment="Left"/>

            <local:ResizeThumb Width="3" Cursor="SizeWE" Margin="0 0 -4 0"

        VerticalAlignment="Stretch" HorizontalAlignment="Right"/>

            <local:ResizeThumb Height="3" Cursor="SizeNS" Margin="0 0 0 -4"

        VerticalAlignment="Bottom"  HorizontalAlignment="Stretch"/>

            <local:ResizeThumb Width="7" Height="7" Cursor="SizeNWSE" Margin="-6 -6 0 0"

        VerticalAlignment="Top" HorizontalAlignment="Left"/>

            <local:ResizeThumb Width="7" Height="7" Cursor="SizeNESW" Margin="0 -6 -6 0"

        VerticalAlignment="Top" HorizontalAlignment="Right"/>

            <local:ResizeThumb Width="7" Height="7" Cursor="SizeNESW" Margin="-6 0 0 -6"

        VerticalAlignment="Bottom" HorizontalAlignment="Left"/>

            <local:ResizeThumb Width="7" Height="7" Cursor="SizeNWSE" Margin="0 0 -6 -6"

        VerticalAlignment="Bottom" HorizontalAlignment="Right"/>

        </Grid>

    </ControlTemplate>

    <Style TargetType="Button">

        <Setter Property="Template" >

            <Setter.Value>