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UpdateSourceTrigger Enumeration

Defines constants that indicate when a binding source is updated by its binding target in two-way binding.

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

'Declaration
Public Enumeration UpdateSourceTrigger
<object property="enumMemberName"/>

Member nameDescription
Supported by Silverlight for Windows PhoneDefaultThe binding source is updated automatically when the binding target value changes.
PropertyChangedThe binding source is updated whenever the binding target value changes. If the binding target is a TextBox, it does not have to lose focus for the changes to be detected.
Supported by Silverlight for Windows PhoneExplicitThe binding source is updated only when you call the BindingExpression.UpdateSource method.

This enumeration is used by the Binding.UpdateSourceTrigger property.

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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