首页 / API 参考 / StockSharp.Xaml.GridControl.BaseGridControl ColumnVisibilityHolder StockSharp.Xaml.GridControl.BaseGridControl Holds columns visibility. 构造函数 ColumnVisibilityHolder(GridColumnCollection) Holds columns visibility. columns Columns. 属性 Count : int Get columns count. Item : bool Get or set column visibility by index.