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ControlTemplate.Triggers Property

Gets a collection of TriggerBase objects that apply property changes or perform actions based on specified conditions.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

public TriggerCollection Triggers { get; }
<object>
  <object.Triggers>
    oneOrMoreTriggers
  </object.Triggers>
</object>

XAML Values

oneOrMoreTriggers

One or more TriggerBase objects (usually these are a Trigger).

Property Value

Type: System.Windows.TriggerCollection
A collection of TriggerBase objects. The default value is null.

The following example demonstrates the use of this property:


<Style x:Key="{x:Type ToolTip}"
       TargetType="ToolTip">
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="HasDropShadow"
          Value="True" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="ToolTip">
        <Border Name="Border"
                BorderThickness="1"
                Width="{TemplateBinding Width}"
                Height="{TemplateBinding Height}">
          <Border.Background>
            <LinearGradientBrush StartPoint="0,0"
                                 EndPoint="0,1">
              <LinearGradientBrush.GradientStops>
                <GradientStopCollection>
                  <GradientStop Color="{DynamicResource ControlLightColor}"
                                Offset="0.0" />
                  <GradientStop Color="{DynamicResource ControlMediumColor}"
                                Offset="1.0" />
                </GradientStopCollection>
              </LinearGradientBrush.GradientStops>
            </LinearGradientBrush>

          </Border.Background>
          <Border.BorderBrush>
            <SolidColorBrush Color="{DynamicResource BorderMediumColor}" />
          </Border.BorderBrush>
          <ContentPresenter Margin="4"
                            HorizontalAlignment="Left"
                            VerticalAlignment="Top" />
        </Border>
        <ControlTemplate.Triggers>
          <Trigger Property="HasDropShadow"
                   Value="true">
            <Setter TargetName="Border"
                    Property="CornerRadius"
                    Value="4" />
            <Setter TargetName="Border"
                    Property="SnapsToDevicePixels"
                    Value="true" />
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>


The above example uses the following resources:

For the complete sample, see Styling with ControlTemplates Sample.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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