onCollapse property

VoidCallback? get onCollapse

The handler for SemanticsAction.collapse.

This is a request to collapse the currently focused node.

Implementation

VoidCallback? get onCollapse => _onCollapse;
set onCollapse (VoidCallback? value)

Implementation

set onCollapse(VoidCallback? value) {
  assert(value != null);
  _addArgumentlessAction(SemanticsAction.collapse, value!);
  _onCollapse = value;
}