IEstimateVersion.ReleaseLocksOnAllWorkbooks Method
Currently, only the Overhead workbook can get a lock. So this method only releases the lock
on the Overhead workbook by simply calling IEstimateVersion.Overhead.ReleaseLockOnWorkbook().
This method is automatically called at the end of each macro execution to ensure
that workbooks are left in a proper state.
Available since QDV 7.13.0001.