onscreen (not supported in Axiell Collections)
Syntax
stat = ONSCREEN(tag)
Arguments
stat: integer
tag: database variable
Meaning
The parameter tag is the name of a database variable. Stat is 1 if tag is present on the current screen, and 0 if not. Only applicable to a screen adapl. (Not supported in Axiell Collections)
Example
stat = onscreen(A1)
Result
If the tag A1 is on the screen, the variable stat gets the value 1. Otherwise, 0.