'Declaration Public ReadOnly Property Sheets As SheetCollection
public SheetCollection Sheets {get;}
Use WindowOptions.SelectedSheet to set the selected sheet. The selected sheet is the sheet seen when the workbook is opened in Microsoft Excel.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2