Can I change the order of mian menu and hide some menu?


Default, the order of menu is “Dash board”,“visitor”,“Actions”…
Can I change the order if this, and can I hide some?
I write a plugin and I want it can be showed in the first menu and I want hide some menu…
What sould I do?

I want to hide all the menu except my plugin, what should I do? Or which script should I modify?

Did you get it yet??