How to re-height border for windows resize in XAML WPF

Tag: wpf,xaml,height,border

I have a more StackPanels in my XAML. Every StackPanel has a border inside. When I modify the Main Window the width follows the resizing. But the height follows only in one the bigger direction. If I make the Window smaller the height of the borders doesn't follows. So the effect is the Botton border line isn't visible. How can I do this ?

<Window x:Class="MyStackPanel"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MyCombobox" Height="356" Width="475">
    <Grid>
        <StackPanel x:Name="STP" 
                Margin="10">
            <Border x:Name="STPB"
                BorderBrush="#FFE80707"
                BorderThickness="5"
                CornerRadius="10"
                Height="{Binding ElementName=STP,Path=ActualHeight}"/>
        </StackPanel>
    </Grid>
</Window>

!border normaly Looks like

Best How To :

Use a Grid instead of a StackPanel then the border will stretch to the

Grids height and width on resizing

<Grid x:Name="STP" 
    Margin="10">
    <Border x:Name="STPB"
        BorderBrush="#FFE80707"
        BorderThickness="5"
        CornerRadius="10" />
    </Grid>

Window after your changes, Looks like the same after reize (make smaller) without your changes.

http://i.stack.imgur.com/SplMn.jpg

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