UpdateSourceTrigger Enumeration

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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)

Syntax

'Declaration
Public Enumeration UpdateSourceTrigger

public enum UpdateSourceTrigger

<object property="enumMemberName"/>

Members

	Member name	Description
	Default	The binding source is updated automatically when the binding target value changes.
	PropertyChanged	The 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.
	Explicit	The binding source is updated only when you call the BindingExpression.UpdateSource method.

Remarks

This enumeration is used by the Binding.UpdateSourceTrigger property.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

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

Platforms

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

See Also

Reference

System.Windows.Data Namespace

Binding.UpdateSourceTrigger

BindingExpression.UpdateSource