ONLINE HELP WINDEV, WEBDEV AND WINDEV MOBILE
True if the control (or group of controls) exists, False otherwise.
Name of the control that must be checked between quotes. This parameter can also correspond to a group of controls. To check the existence of controls in other windows, pages or reports, <Control Name> must have the following format:"<Name of Window, Page or Report>.<Control Name>".
Controls taken into account
Last update: 11/17/2021
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All you have to do is configure your product as follows: