OK. I am realy happy that there are so many posts for my question thx @all;I am now readingg WindowsProgramming (Charles Petzold 5th edition )AND DOT THINK I NOT UNDERSTANSING THE WINDOW STUFF!!!!!!!!!!!!!!!!!!a am not so new to programming as moust of all thinks.I have recived many e-mails for my ask and now the result is that i have to window prototypes one with small code and the other with much off stuf... i am also understood the framework of opengl and programmed a 3d monitor that you can rotate and so on. i am realy happy that i posted in this forum. ps: thanks to