How to clear cache in TWebBrowser in Delphi GMLib?

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I'm using TGMLib. I need to reload file in TGMGroundOverlay. File on disk has changed but name is the same. TWebBrowser in TGMMap probably keep it on cache and I need to clear cache in TWebBrowser. Is any possibly to do that?

Best Regards! Patryk

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HitHeed On BEST ANSWER

I solve the problem. Answer of cache-busting and GolezTrol was helping.

The best solution is change the filename and change it on URL (add something like index/id)

filename_index.png

Thank you! Best regards!