Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All

RangeBase.OnValueChanged Method

Raises the ValueChanged routed event.

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

'Declaration
Protected Overridable Sub OnValueChanged ( _
	oldValue As Double, _
	newValue As Double _
)

Parameters

oldValue
Type: System.Double

Old value of the Value property

newValue
Type: System.Double

New value of the Value property

Subclasses of the RangeBase can use this method to respond when the value property changes instead of overriding the FrameworkPropertyMetadata to provide a new PropertyChangedCallback function. For more information, see Dependency Property Callbacks and Validation.

The OnValueChanged method raises the ValueChanged event. When overriding OnValueChanged in a derived class, be sure to call the base class’s OnValueChanged method so that registered delegates receive the event.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
Show:
© 2015 Microsoft