Assigns the current user exclusive access to the workbook that is open as a shared list.
Assemblies: Microsoft.Office.Tools.Excel (in Microsoft.Office.Tools.Excel.dll)
Microsoft.Office.Tools.Excel.v4.0.Utilities (in Microsoft.Office.Tools.Excel.v4.0.Utilities.dll)
This method saves any changes made to the workbook and requires other users who have the workbook open to save their changes to a different file.
If the workbook is not open as a shared list, this method fails. To determine whether a workbook is open as a shared list, use the MultiUserEditing property.
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.