TTreeNode.Expanded property

Declaration

property Expanded: Boolean read GetExpanded write SetExpanded;

Description

Expanded is a Boolean property which indicates if the node has been expanded in the associated TreeView control. The property value is True when nsExpanded has been included in the States property.

The Expand method is called when the new value for the property is True. Otherwise, the Collapse method is called. States is updated in the Expand and Collapse methods.