#141 – Dependency Property Value Sources: #7 – Style Setters

The seventh source in the list of sources for the base value of a dependency property is a style setter. A property obtains its value from a style setter when a style is applied to the parent element and the property’s value is set using a Setter in that style.

In the example below, a button has the style redBlueTextButton applied to it. This style sets the Foreground property to red using a Setter.  It also sets the property to blue when you hover the mouse over the control. The source of the Foreground property is style (style setter) to start with and then becomes style trigger when you move the mouse over the control.

        <Style x:Key="redBlueTextButton" TargetType="{x:Type Button}">
            <Setter Property="Foreground" Value="Red"/>
                <Trigger Property="IsMouseOver" Value="True">
                    <Setter Property="Foreground" Value="Blue"/>
    <StackPanel Orientation="Vertical">
        <Button Content="Run" Height="23" Width="75" Style="{StaticResource redBlueTextButton}"/>
        <Button Content="Skip" Height="23" Width="75"/>

About Sean
Software developer in the Twin Cities area, passionate about software development and sailing.

One Response to #141 – Dependency Property Value Sources: #7 – Style Setters

  1. Pingback: #133 – Where a Dependency Property Gets Its Value « 2,000 Things You Should Know About WPF

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