Obtain excel calculation mode in ExcelDna

Question

Is there a XlCall that can return me the current excel calculation mode? If it is automatic, I want to run an Async command, otherwise I want it to block.

Answer 1

GET.DOCUMENT ( xlfGetDocument ) option 14 is:

14 Number indicating calculation mode:
    1 = Automatic 
    2 = Automatic except tables 
    3 = Manual

You'll only be able to call this from a UDF that has been marked as IsMacroType=true .