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Asked: 2026-05-11T07:57:00+00:00

I can’t get any event triggers to work. A simplified example of what I’m

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I can’t get any event triggers to work. A simplified example of what I’m doing is below – 

<Window x:Name='win' x:Class='EventTriggers.Window1' xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml' Title='Window1' Height='300' Width='300'> <Window.Resources>     <ControlTemplate x:Key='buttonT'>         <Border Background='#333'>             <TextBlock Text='{Binding}' HorizontalAlignment='Stretch' Foreground='White'/>             <Border.Triggers>                 <EventTrigger RoutedEvent='MouseEnter'>                  </EventTrigger>             </Border.Triggers>         </Border>     </ControlTemplate>      <DataTemplate x:Key='lbt'>         <Button Template='{StaticResource buttonT}' Click='Button_Click'></Button>     </DataTemplate>  </Window.Resources> <ListBox ItemsSource='{Binding ElementName=win,Path=col}' ItemTemplate='{StaticResource lbt}'> </ListBox>

I know there is a MouseEnter event on Border since it is defined in UIElement but I’m still getting

Cannot convert string ‘MouseEnter’ in attribute ‘RoutedEvent’ to object of type ‘System.Windows.RoutedEvent’

as soon as i run the application.

Any help would be hugely appreciated.

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1 Answer

  1. You have to supply the Type as well, so:

    <EventTrigger RoutedEvent='Mouse.MouseEnter'></EventTrigger>
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