public DataListTreeView(TreeViewState treeViewState, List <string> openDataSetGuids, DataSet activeDataSet, GetSceneProxyDelegate getSceneProxy) : base(treeViewState) { this.showAlternatingRowBackgrounds = true; this.openDataSetGuids = openDataSetGuids; this.activeDataSet = activeDataSet; this.getSceneProxy = getSceneProxy; }