Question

I have a resource dictionary in my WPF application which contains the style information for the various controls.

Can it be used like the way we use in CSS in HTML? For example

 p
 {
   margin:20px;
   font:Tahoma;
  }

this applies to all “p” tags in HTML. We dont have to specifically mention that in the HTML for “p” tag.

Is the same approach applicable in WPF, or do we have to specifically
mention the style

<TextBlock Text="Test" Style="{DynamicResource SomeTextblockStyle}" />

in the XAML

Answer 1

You can certainly set a default style for each type. You can do this within your Generic.xaml, note that I am not providing a key.

<Style TargetType="{x:Type Button}">
     <Setter Property="Height" Value="25"/>
     <Setter Property="Foreground" Value="White"/>
</Style>

This will style every instance of a Button within your application as such.

If you were go to a XAML file and define an instance of a Button, overriding the Foreground value, that local instance will take precedence over the global style.

<Button Foreground="Black"/>