in VCL Ideas :: There's a group of controls on a tab sheet of a page control. There's a group of controls on a panel. Here's how to undock the controls from their original parent and make them float in a floating form / window. And unfloat / dock again. No dragging, no docking sites, easy and scalable.
Read the full article to learn how to Dock And Float Forms In Delphi - No Dragging