m-instance_method" title="#insertItem (instance method)">#<strong>insertItem</strong>(other, father, text, openIcon = nil, closedIcon = nil, data = nil, notify = false)  &#x21d2; Object </a>
    

    
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<p>Insert item with given text and optional icons, and user-data pointer under <em>father</em> before <em>other</em> item.</p>
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