Change the sort order of a prompt

Append the char(9), the string with most char(9) will come first in order.

here is the example of same : 

Field.AddDropDownItem("L", Rept(Char(9), 5) | "Low"); 

Field.AddDropDownItem("M", Rept(Char(9), 4) | "Medium"); 

Field.AddDropDownItem("H", Rept(Char(9), 3) | "High");