programmatically inspecting two or more objects within a selection window of an application development environment (ADE);

creating a set of properties within said ADE comprising ones of one o1: more properties applicable to any one of said two or more objects;

determining at said ADE a subset of properties comprising ones of said set that apply to fewer than all of said two or more objects;

providing a visual indicator associated with said subset of properties in a property inspector of said ADE displayed to a user; and

displaying a popup window associated with said visual indicator, wherein said popup window includes one or more object labels, wherein said one or more object labels reflect each of said two or more objects to which said subset of properties applies, and wherein said displaying is responsive to said user hovering a pointing cursor over said visual indicator.