TreeListBase.ExpansionChanged

Syntax

ExpansionChanged: function(sender, args);

Parameters

sender. Event source.

args. Event information:

Changed. {String: Boolean}. Object of the type: {node key: expander state}.
Value. Boolean. Expander state..
Node. String. Node identifier.

Description

The ExpansionChanged event occurs after changing expander value.

Example

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

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

After executing the example the ExpansionChanged event is added.