Controls can't change when hovering over them. You can write code using an event structure to detect the mouse enter and mouse leave events and then do something (for example, if it's a picture ring, display a different picture or make another image visible or change the control's color), but you can't change the control itself.
You also can't change the functionality of controls.
Both are probably not the answers you (or I) wanted, but there is nothing really to be done.
A partial answer, involving more coding, is using the picture control to create your interface. You can see more about this
here.
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