Can a Handler Differentiate Between Empty & Missing Parameters?

[Rob Cozens]

Hi All,

Given a handler such as:

	on myHandler requiredParam, at optionalParam

can myHandler differentiate between

put empty into optionalParam
myHandler requiredParam,optionalParam

and

myHandler requiredParam,

?


Rob Cozens
CCW, Serendipity Software Company

"And I, which was two fooles, do so grow three;
Who are a little wise, the best fooles bee."

from "The Triple Foole" by John Donne (1572-1631)