Skip to main content
All docs
V24.2

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

TreeViewControl.AutoExpandDelayOnDrag Property

Gets or sets the delay in milliseconds, after which the TreeViewControl expands the collapsed group. This is a dependency property.

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v24.2.dll

NuGet Package: DevExpress.Wpf.Grid.Core

#Declaration

public int AutoExpandDelayOnDrag { get; set; }

#Property Value

Type Default Description
Int32 1000

The delay in milliseconds, after which the TreeViewControl expands the collapsed group.

#Remarks

The TreeViewControl expands a collapsed node when a user drags a record over this node. To disable this behavior, set the AutoExpandOnDrag property to false.

For information about drag-and-drop operations, refer to the following DevExpress WPF Grid help topic: Drag-and-Drop.

See Also