How can i save different forms or panels inside the forms and call in run time?

My project need wants to many different forms and components.
I want to have three panels.
In one of this panels i want to load the componets and place it in the giving position and size.

Something like this .

When i click the "settings" button from panel2 in the panel 3 appears the 15 components in their position and size.
When i click the "screen" button from panel2 in the panel 3 disappears the previous components and appears the new 12 components..

Thank you...