>>>>Thanks for the suggestion, but I could not get it to work with any consistency. I find it odd that there is no command like CLEAR WINDOW "Debug Output".
>>>
>>>Something like that:
>>>

>>>ACTIVATE WINDOW "Debug Output"
>>>DEBUGOUT 'Test1'
>>>DEBUGOUT 'Test2'
>>>WAIT WINDOW "Press any key to clear DEBUGOUT"
>>>ACTIVATE WINDOW "Debug Output"
>>>KEYBOARD '{ALT+W}E' 
>>>

>>>Not tested well!
>>
>>Yes, but sometimes it hangs, other times it fails to clear (mostly).
>>Also, the keyboard line is "{alt+W}O". The hotkey "{Alt+2}" does not work at all.
>
>If trying such stuff I generally sprinkle in sleep(), a couple of DoEvents and/or Wait window timeout 0.1 without beeing scroogy with them...

Thanks for suggestion. The Closing and Reopening seems to work.