onExpand property

VoidCallback? get onExpand

The handler for SemanticsAction.expand.

This is a request to expand the currently focused node.

Implementation

VoidCallback? get onExpand => _onExpand;
set onExpand (VoidCallback? value)

Implementation

set onExpand(VoidCallback? value) {
  assert(value != null);
  _addArgumentlessAction(SemanticsAction.expand, value!);
  _onExpand = value;
}