RangeBase.OnValueChanged Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Raises the ValueChanged routed event.
Namespace: System.Windows.Controls.Primitives
Assembly: System.Windows (in System.Windows.dll)
Syntax
'Declaration
Protected Overridable Sub OnValueChanged ( _
oldValue As Double, _
newValue As Double _
)
protected virtual void OnValueChanged(
double oldValue,
double newValue
)
Parameters
- oldValue
Type: System.Double
Old value of the Value property.
- newValue
Type: System.Double
New value of the Value property.
Remarks
Subclasses of the RangeBase can use this method to respond when the value property changes.
The OnValueChanged method raises the ValueChanged event. When overriding OnValueChanged in a derived class, make sure to call the base class’s OnValueChanged method so that registered delegates receive the event.
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.