Steps to reproduce:
1. Compile HelloDialogs.java and launch from project toys,
2. Click on "Show" button at "'Exception' Dialog:" for display exception dialog,
3. Click on "Show Details",
4. Now is possible click on "Maximize" button in Title bar of dialog window, please click on "Maximize" button,
5. Dialog window is Maximized, now click on "Hide Details"
6. Result - see screenshot: http://i60.tinypic.com/14n1uus.png (left and top edges of dialog window are trimmed, caused positioning window, see bellow - 7.), my full screen screenshot: http://i62.tinypic.com/2dgq8id.png
7. Now position of dialog window is in top left my screen

Expected:
1. style of dialog window as before click on "Show Details" and,
2. and also such same position

Note:
1. bug is presented on Window; other OS: I don't know,
2. bug is probably in Control (Dialog) and not in sample project toys