TreeListBase.SelectionChanging

Syntax

SelectionChanging: function(sender, args);

Parameters

sender. Event source.

args. Event information:

Type. PP.Ui.TreeListSelectionMode. Selection type
Value. Boolean. Selection state
Node. String. Node key.
Cancel. Boolean. If this property is set to true in the event handler, selection is not changed.

Description

The SelectionChanging event occurs before changing selection.

Example

Executing the example requires the SimpleTreeList component with the Tree identifier (see Example of Creating the SimpleTreeList Component).

// Set event
Tree.SelectionChanging.add( function(sender, args) {
  console.log("SelectionChanging event:");
  console.log(args);
});
// Initialize event
Tree.setNodeSelected(0, true);

After executing the example the SelectionChanging event is added.