There are two option to over come this issue. First one by using the control key. Hold the Control key and move the object spy window such that you are able to see the application which needs to tested.
2. The other option is there is one icon present in the Object spy window at the right top corner named as "Keep object Spy on top while spying" click on this icon. After you click this click on the hand window of Object spy , then Object spy window will disappear. It will appear after you click some object where you need to spy.
2. The other option is there is one icon present in the Object spy window at the right top corner named as "Keep object Spy on top while spying" click on this icon. After you click this click on the hand window of Object spy , then Object spy window will disappear. It will appear after you click some object where you need to spy.