public void RefreshWorksheet()
{
if (mathcadWorksheet != null)
{
mathcadWorksheet.Close(MCSaveOption.mcDiscardChanges);
}
mathcadWorksheet = mathcadWorksheets.Open(mathcadFilePath);
Recalculate();
if (mathcadWorksheet == null)
{
throw new ApplicationException("Failed to initialize Mathcad 15 worksheet");
}
}