UpdateSourceTrigger Enumeration
Microsoft Silverlight will reach end of support after October 2021. Learn more.
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 | |
|---|---|---|
.gif "Supported by Silverlight for Windows Phone") |
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. |
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.