I have a listbox, and I have the following ItemTemplate for it:

    &lt;DataTemplate x:Key=&quot;ScenarioItemTemplate&quot;&gt;
    	&lt;Border Margin=&quot;5,0,5,0&quot;
    			Background=&quot;#FF3C3B3B&quot;
    			BorderBrush=&quot;#FF797878&quot;
    			BorderThickness=&quot;2&quot;
    			CornerRadius=&quot;5&quot;&gt;
    		&lt;DockPanel&gt;
    			&lt;DockPanel DockPanel.Dock=&quot;Top&quot;
    					   Margin=&quot;0,2,0,0&quot;&gt;
    				&lt;Button HorizontalAlignment=&quot;Left&quot;
    						DockPanel.Dock=&quot;Left&quot;
    						FontWeight=&quot;Heavy&quot;
    						Foreground=&quot;White&quot; /&gt;
    				&lt;Label Content=&quot;{Binding Path=Name}&quot;
    					   DockPanel.Dock=&quot;Left&quot;
    					   FontWeight=&quot;Heavy&quot;
    					   Foreground=&quot;white&quot; /&gt;
    				&lt;Label HorizontalAlignment=&quot;Right&quot;
    					   Background=&quot;#FF3C3B3B&quot;
    					   Content=&quot;X&quot;
    					   DockPanel.Dock=&quot;Left&quot;
    					   FontWeight=&quot;Heavy&quot;
    					   Foreground=&quot;White&quot; /&gt;
    			&lt;/DockPanel&gt;
    			&lt;ContentControl Name=&quot;designerContent&quot;
    							Visibility=&quot;Collapsed&quot;
    							MinHeight=&quot;100&quot;
    							Margin=&quot;2,0,2,2&quot;
    							Content=&quot;{Binding Path=DesignerInstance}&quot;
    							Background=&quot;#FF999898&quot;&gt;
    			&lt;/ContentControl&gt;
    		&lt;/DockPanel&gt;
    	&lt;/Border&gt;
    &lt;/DataTemplate&gt;


As you can see the ContentControl has Visibility set to collapsed.

I need to define a trigger that causes the Visibility to be set to &quot;Visible&quot;


when the ListItem is selected, but I can&#39;t figure it out.

Any ideas? 

UPDATE: Of course I could simply duplicate the DataTemplate and add triggers
to the ListBox in question to use either one or the other, but I want to prevent duplicating this code.

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WPF Trigger for IsSelected in a DataTemplate for ListBox items