3. Any selected component has
it's own Popup Menu :
(press right mouse button on selected
component)

- Insert Cells - inserts row or column
   to the Left, Right, Up or Down
   of the selected component
- Normalize - normalizes the selected
   panel
- Delete - deletes selected
   component
- Copy - copies selected component
   to the clipboard
- Cut - cuts selected component
   to the clipboard
- Paste - pastes component
   from the clipboard