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Asked: 2026-05-11T02:33:54+00:00

I’m getting an error for this content template within a style: Must specify both

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I’m getting an error for this content template within a style: ‘Must specify both Property and Value for Setter.’ Aren’t I doing that?

<Style x:Key='LinkButton' TargetType='Button'> <Setter Property='Template'>     <Setter.Value>         <ControlTemplate TargetType='Button'>             <ContentPresenter/>         </ControlTemplate>     </Setter.Value> </Setter> <Setter Property='ContentTemplate'>     <Setter.Value>         <DataTemplate>             <Label x:Name='ContentRoot'>                 <StackPanel Orientation='Horizontal'>                     <Viewbox Width='24' Height='24' VerticalAlignment='Center'>                         <Image x:Name='ButtonImage' Source='{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type Button}}, Path=Tag}' />                     </Viewbox>                     <TextBlock VerticalAlignment='Center' x:Name='ButtonText' Text='{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type Button}}, Path=Content}'></TextBlock>                 </StackPanel>             </Label>             <DataTemplate.Triggers>                 <Trigger Property='IsMouseOver' Value='True'>                     <Setter TargetName='ButtonText' Property='TextBlock.TextDecorations' Value='Underline'/>                 </Trigger>             </DataTemplate.Triggers>         </DataTemplate>     </Setter.Value> </Setter>

And here is a button that will be using this style:

<Button Name='HelpButton' Style='{StaticResource LinkButton}' Height='30' Content='Help' Tag='Help.png'/>

Thanks!

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1 Answer

  1. I have loaded this up and have no such problems. The only problem I see is that your button will never have the style applied. This is because if you want the style applied you need to remove the x:Key from the style. Otherwise if you want the style applied only to the HelpButton, the definition should look like this:

    <Button Name='HelpButton' Style='{StaticResource LinkButton}' Height='30' Content='Help' Tag='Help.png'/>

    But I cannot see the error you are seeing.

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