This method is thread safe.
Unwinding the locks associated with a workbook set is useful when a time consuming or modal action must be taken in response to an event.Requirements
Platforms: Windows 98, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family. SpreadsheetGear for .NET 1.x requires the Microsoft .NET Framework 1.1 or .NET 2.0. SpreadsheetGear for .NET 2006 requires the Microsoft .NET Framework 2.0.