Icon preview and changing area

This area is used for giving icon to the object chosen in the object list. To give an icon you should mark it in the table of icons that occupies the major part of icon preview area and as a rule has a scrollbar. Marked icon has a painted background.

Current icon shows the icon that the Windows object has at the current time.

Theme icon shows the icon, which will be given to the object after applying changes.

More details about icon changing read here.