# SheetTabs ```csharp public class SheetTabs : UserControl ``` Namespace `SharpCell.Grid.Avalonia` · package `SharpCell.Grid.Avalonia` Excel's sheet tabs for a [SpreadsheetView](SharpCell.Grid.Avalonia.SpreadsheetView.md): a tab for each sheet of the view's workbook, the shown one highlighted. Clicking a tab shows its sheet, and the + button adds a sheet, as in Excel. Put it under the view, as Excel does. ## Constructors ### SheetTabs() ```csharp public SheetTabs() ``` Tabs for no view; set [SheetTabs.View](SharpCell.Grid.Avalonia.SheetTabs.md#view) to connect them. ## Properties ### SheetNames ```csharp public IReadOnlyList SheetNames { get; } ``` The names on the tabs, in the workbook's order. ### View ```csharp public SpreadsheetView? View { get; set; } ``` The view whose workbook's sheets the tabs show and switch. ## Methods ### AddSheet() ```csharp public Worksheet? AddSheet() ``` Adds a sheet after the others, named as Excel names a new sheet (`Sheet2`, `Sheet3`, the first number free), and shows it. Null when the view is read-only or has no sheet. ### Refresh() ```csharp public void Refresh() ``` Shows the tabs again from the workbook's sheets, after sheets were added in code.