A Panel with FvwmButtons

I am trying to make a simple panel out of FvwmButtons. I want to use it instead of FvwmTaskBar. Because there was too many old stuff in the web I asked for Help here. I want to **understand** FvwmButton and the process it involves; So I devise a scenario. +--------------------------------+---------+--------------+-----------+ | | | | Stand | | FvwmIconMan |FvwmPager| Xclock | alone | | | | | Tray | +--------------------------------+---------+--------------+-----------+ 1. How to split FvwmButtons into this scheme? 2. How to Swallow this things into it? 3. How to manage The Space as it grows? (FvwmIconMan will grow by windows opened) Auto-Resize in FvwmButtons seems not doable 4. *How to tell the whole deal to sit at the bottom of the desktop (all the desktops) and other windows like (firefox and so on) to respect its place and no to go under or over it?