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Also worth mentioning from TMS is with the FNC UI pack you get an object inspector. Note in the documentation it calls out that you are inspecting published properties only. TMS FNC Object Inspector does not populate a tree of the application components, it is just the Inspector. https://www.tmssoftware.com/site/tmsfncuipack.asp?s=fncobjectinspector#features To your original question of all classes and objects, it is worth considering visibility and ownership. The component tree is populated based forms / data modules owned by the application, then components owned by the form. Consider if you are creating components at runtime and the owner is assigned to the form, if not then the component will not be visible. I have used it to inspect some of by business objects, with the condition that the property is published. It also has events so that you can make properties read only at runtime. Take a look through the PDF and see if it fits your needs. If you desire a component tree you could build / buy something like my product, I do not include a license to FNC UI pack, it is a separate purchase. Some youtube videos are available at https://swiftexpat.com that will give you an overview.

Use a list view. Part of problem solving is exploring the problem space and finding the best solution, given the pros and cons of all possible options. Deciding on the solution first and then trying to force it to work is not the way to solve problems.