just use a "button" or "picture" or "crop" component.
The hide pictureID is the picture the same as background, the visible pictureID is the icon picture.
HMI file attached.
Use picture component.
I don't know if you solved it, but there is the "vis" command which hides or shows an element.
The format is:
Use 1 to show, 0 to hide
Lefteris, the date on this thread comes from near the very beginning. At that time the vis command wasn't available, but you see how it was solved. By switching "a picture" of one with your button and one with a crop image of the background - to the user it is there and not. 90% of an HMI is presenting the best illusions