Element: treenode.focus ( )
Element: treenode.focus ( )procedure
A function to select treenode, that is make it the currently selected node in its tree window. This action will invoke any relevant callbacks defined for the class of treenode.
Execution of this function will typically invoke the treenode.deselect and treenode.select callbacks on the relevant nodes.
The code of the function cannot be redefined.
<treenode>.focus()