/// <summary> /// Determines whether the corresponding cell in a column is focusable or not. /// </summary> /// <param name="treeGrid"> /// The SfTreeGrid. /// </param> /// <param name="rowColumnIndex"> /// The corresponding rowcolumnindex to check whether the cells in a column is focusable or not. /// </param> /// <returns> /// Returns <b>true</b> if the cells in a column is focusable; otherwise, <b>false</b>. /// </returns> public static bool AllowFocus(this SfTreeGrid treeGrid, RowColumnIndex rowColumnIndex) { var gridColumn = treeGrid.GetTreeGridColumn(rowColumnIndex.ColumnIndex); if (gridColumn != null) { return(gridColumn.ActualWidth != 0d && !double.IsNaN(gridColumn.ActualWidth) && gridColumn.AllowFocus); } return(false); }