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ExpandOn API in JavaScript Dropdown Tree API control

Specifies the expansion of tree nodes within the Dropdown Tree.

  • Auto - In desktop, the expand or collapse operation happens when you double-click the node, and in mobile devices it happens on single-tap.
  • Click - The expand or collapse operation happens when you perform single-click/tap on the pop-up item in both desktop and mobile devices.
  • DblClick - The expand or collapse operation happens when you perform a double-click/tap on the pop-up item in both desktop and mobile devices.
  • None - The expand or collapse operation will not happen when you perform single-click/tap or double-click/tap on the pop-up items in both desktop and mobile devices.