Главная / Справочник API / StockSharp.Xaml.GridControl.BaseGridControl ColumnVisibilityHolder StockSharp.Xaml.GridControl.BaseGridControl Holds columns visibility. Конструкторы ColumnVisibilityHolder(GridColumnCollection) Holds columns visibility. columns Columns. Свойства Count : int Get columns count. Item : bool Get or set column visibility by index.