How to center an image based on a rectangle

[QC2168]

I have two elements, one is rect and the other is image, and the image is inside the rect. I want to realize that the image is always centered based on the rect when the rect is moved

[QC2168]

I tried to use the group method, which could fulfill my requirements, but when I stretched the rect element, the image would also be stretched, and I wanted the image to remain the original size

[ShaMan123]

You are probably scaling the group - don't. Do something else or unscale the image on the group's scaling event

[QC2168]

I don't know what you mean. How can I do that

[ShaMan123]

unscale the image on the group's scaling event

Look at examles and demos