1)'custom control' in screen painter is a container or what? i know container itself also a control but not sure what is this custom control.
2)when we want to have control like tree, textedit or other control, we need to create custom control in screen painter, right? so it is a container?
3)all these control like tree or textedit cannot create in screen painter right? must use the class in abap, right?
4) what is cl_gui_control and cl_gui_object? what is the difference?
can answer in point form? i read the help file but still not quite understand.