Irrlicht Engine

How can i handle ALT+TAB Message ?
what engine message sent ?
thank

"device" , I mean "IrrlichDevice" .
I want to use HWND to show Video by use DirectShow
But i don't want to create 2 windows at the same time.
How can i do ?

I want to use HWND ,but i don't know how to get it
please help me , thank

so what can i use?

can someone tell me how to use irrlicht to play *.avi as intro ?
thank

i look at some tutorial of this engine and i saw something that i confuse
,why it don't have something like "delete someptr" i saw only
device->closedevice();
is it fully clear resources that loaded ?

and i want to know about this engine ,
if i use this engine to write commercial game .
can i use ...