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FrameworkElementDataContextChanged Event
 
System_CAPS_noteNote

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Occurs when the data context for this element changes.

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

public event DependencyPropertyChangedEventHandler DataContextChanged
public:
event DependencyPropertyChangedEventHandler^ DataContextChanged {
	void add(DependencyPropertyChangedEventHandler^ value);
	void remove(DependencyPropertyChangedEventHandler^ value);
}
member DataContextChanged : IEvent<DependencyPropertyChangedEventHandler,
    DependencyPropertyChangedEventArgs>
Public Event DataContextChanged As DependencyPropertyChangedEventHandler

For an explanation of data contexts and data binding, see Data Binding Overview.

System_CAPS_importantImportant

When the for an element changes, all data-bound properties on this element are potentially affected. This applies to any elements that are child elements of the current element in the logical tree, which inherit the data context, and also the current element itself. All such existing bindings must re-interpret the new and will reevaluate the binding results. The data binding engine is not deterministic about the order of these reevaluations, relative to the raising of the DataContextChanged event. The reevaluations can occur before the event, after the event, or in any mixture.

.NET Framework
Available since 3.0
Silverlight
Available since 5.0
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