VirtualizingStackPanel.OnViewportOffsetChanged(Vector, Vector) Method
Definition
Important
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Called when the offset of the viewport changes as a user scrolls through content.
protected:
virtual void OnViewportOffsetChanged(System::Windows::Vector oldViewportOffset, System::Windows::Vector newViewportOffset);protected virtual void OnViewportOffsetChanged (System.Windows.Vector oldViewportOffset, System.Windows.Vector newViewportOffset);abstract member OnViewportOffsetChanged : System.Windows.Vector * System.Windows.Vector -> unit
override this.OnViewportOffsetChanged : System.Windows.Vector * System.Windows.Vector -> unitProtected Overridable Sub OnViewportOffsetChanged (oldViewportOffset As Vector, newViewportOffset As Vector)Parameters
- oldViewportOffset
- Vector
The old offset of the viewport.
- newViewportOffset
- Vector
The new offset of the viewport.
Remarks
Use this method, in a derived class, to detect and respond to changes in the viewport location.
