| Function group | Execute on client | Platform(s) |
| General | YES | All |
msgcancelled()
Returns true if the user Cancel button is pressed on a message box.
For example, you can use this to distinguish between No and Cancel on a Yes/No message which both clear the flag.
Yes/No message(Cancel button){Do you want to proceed?}
If flag falseIfnot((msgcancelled())# user chose NoEnd If
Else# user chose Yes
End If