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POtemplated label should be non-visible when content is null but border keeps showing
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  1. POtemplated label should be non-visible when content is null but border keeps showing
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    copied!<p>this must be very simple but it's monday morning.. I have a label and overridden the template with a border. when I set statusLabel.Content to null I expect the label to become non-visible but instead the label's border still is. how do I get rid of the border just when statusLabel.Content is null? below is the associated xaml:</p> <pre><code>&lt;StackPanel Orientation="Horizontal"&gt; &lt;Image Name="statusImage" Stretch="None" VerticalAlignment="Top" Margin="20, 20, 0, 0"/&gt; &lt;Label Name="statusLabel" Margin="20, 20, 0, 0" VerticalAlignment="Top" Background="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:StatusLayer}, Path=StatusTextBackground}" FontSize ="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:StatusLayer}, Path=FontSize}" FontStyle="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:StatusLayer}, Path=FontStyle}" FontWeight="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:StatusLayer}, Path=FontWeight}" Foreground="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:StatusLayer}, Path=StatusTextForeground}" FontFamily="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:StatusLayer}, Path=FontFamily}" &gt; &lt;Label.Template&gt; &lt;ControlTemplate TargetType="{x:Type Label}"&gt; &lt;Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="true" CornerRadius="5"&gt; &lt;ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/&gt; &lt;/Border&gt; &lt;ControlTemplate.Triggers&gt; &lt;Trigger Property="IsEnabled" Value="false"&gt; &lt;Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/&gt; &lt;/Trigger&gt; &lt;/ControlTemplate.Triggers&gt; &lt;/ControlTemplate&gt; &lt;/Label.Template&gt; &lt;/Label&gt; &lt;/StackPanel&gt; </code></pre> <p><strong>UPDATE:</strong> thanks for the code in your answers, it showed me that my previous attempts to get the border to disappear failed because the trigger I tested with earlier (not listed in my question code) checked on Value="null" instead of Value="{x:Null}"... DOH! using the correct trigger with setting the visibility on the Label works perfectly.</p>
 

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