Editar

Partilhar via

VirtualizingStackPanel.OnViewportOffsetChanged(Vector, Vector) Method

  • Reference

Definition

Namespace:
System.Windows.Controls
Assembly:
PresentationFramework.dll

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 -> unit
Protected 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.

Applies to