DiagramItemBoundsChangedEventArgs.OldIndex Property

Gets the previous item’s index within the Items collection of its parent.

Namespace: DevExpress.Xpf.Diagram

Assembly: DevExpress.Xpf.Diagram.v24.1.dll

NuGet Package: DevExpress.Wpf.Diagram

Declaration

C#

public int OldIndex { get; }

VB.NET

Public ReadOnly Property OldIndex As Integer

Property Value

Type	Description
Int32	The item’s index.

Remarks

If the item was contained in a container, the OldIndex property returns the index within this container’s DiagramContainerBase.Items collection. Otherwise, it returns the index within the DiagramControl.Items collection. The DiagramItemBoundsChangedEventArgs.OldParent event’s property returns the item’s previous parent.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the OldIndex property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

VB.NET

wpf-generate-diagram-with-grouped-items/VB/DiagramNestedItemsExample/StackLayoutDiagramContainerBehavior.vb#L86

AssociatedObject.Height -= e.OldSize.Height
For Each child In AssociatedObject.Items.Skip(e.OldIndex)
    child.Position = New Point(child.Position.X, child.Position.Y - e.OldSize.Height)