I currently need to format some columns to use the "Accounting format". In your documentation, you talk about the document model exposing number formats. However none of your examples show how to access the document model (def, they show how to create custom number formats. Can you please tell me how I can access the Accounting format?
worksheet.Cells[2, 5].SetFormat(
new
CellValueFormat( SomeEnum/Class.AccountingFormat ));