use_jQueryUI_theme

The Tree view weblet is a jQuery-UI widget and will use the current  jQuery-UI theme to produce its default appearance. If you are not using a jQuery-UI theme or don't want the treeview to use the theme, you can turn off the theme by setting this property to false().

A Tree View with the Redmond theme:

A Tree View with no theme:

TreeRedmondTheme  

  TreeNoTheme

Default value

true()

Valid values

true(), false() or a valid boolean expression.