Hi Robin,
>I am trying to debug the interactive change event of a text field, but if I suspend the code and type commands into the command box, I get no response or error message? It's making the code a pain todebug for sure,
where are you displaying the response? You could try DEBUGOUT to send the response to the debug window. If you use ?, make sure you issue ACTIVATE SCREEN before. Error messages are handled by the local error handler. This can be the Error event of the textbox or a TRY...CATCH block. You can set a breakpoint on PROGRAM() to capture those.
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Christof