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 how to tell in code if in "design" or "preview" mode

nick leo's profile image
nick leo posted Thu November 06, 2025 09:48 AM

i would like to perform a check to see if i am in "design" or "preview" mode.

i want to do code based on which mode i am in. for example, if in design mode, show all controls so i can modify in the visual editor. when in "preview" mode, run as if in production (not showing all controls). 

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Bernd van Oostrum's profile image
Bernd van Oostrum posted Mon November 10, 2025 09:08 AM

Hi Nick Leo,

There is no specific EGL-statement that will return whether you are in "design" or "preview"-mode.

Depending on your usecase, I'd suggest you call a service in the "start"-function of your RUI, which returns a value or structure that you use to control what's being displayed.

Regards,

Bernd van Oostrum

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