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Trigger.SourceName Property


Gets or sets the name of the object with the property that causes the associated setters to be applied.

Namespace:   System.Windows
Assembly:  PresentationFramework (in PresentationFramework.dll)

public string SourceName { get; set; }

Property Value

Type: System.String

The default property is null. If this property is null, then the Property property is evaluated with respect to the element this style or template is being applied to (the styled parent or the templated parent).

Exception Condition

After a Trigger is in use, it cannot be modified.

You can set this property to the name of any element within the scope of where the trigger collection (the collection that this Trigger is part of) is applied. This is typically a named element that is within the template that contains this Trigger.

You can name an object using the x:Name Directive syntax.

One scenario when you would use the SourceName property is when the property of interest is not a property of the templated parent, as in the following example:

<Trigger SourceName="Popup"
  <Setter TargetName="SubmenuBorder"
          Value="0,0,4,4" />
  <Setter TargetName="SubmenuBorder"
          Value="0,0,0,3" />

.NET Framework
Available since 3.0
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