TcxTreeListOptionsBehavior.DragExpand Property

Specifies whether a collapsed node located under the mouse pointer is automatically expanded during drag-and-drop operations.

Declaration

property DragExpand: Boolean read; write; default True;

Property Value

Type	Default
Boolean	True

Remarks

Set this property to True, to enable automatic node expansion when the mouse pointer is positioned over a collapsed node’s expand button for the time period specified via the WaitForExpandNodeTime property.

Use the DragCollapse property to enable automatic node collapse during drag-and-drop operations.

Note

You can display specially designed drop indicators to assist end-users during drag-and-drop operations. To enable these indicators, set the tree list’s OptionsView.DropNodeIndicator property to True.

The default value of the DragExpand property is True.