``` fun lt T gt TreeView lt T gt expandFirst selectionModel kotlinlang #tornadofx

``` fun <T> TreeView<T>.expandFirst() ...

ron

12/26/2016, 10:36 AM

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fun <T> TreeView<T>.expandFirst() {
    selectionModel.selectFirst()
    selectionModel.selectedItem?.isExpanded=true
}

This would be my take on it @edvin

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