Displaying messageBox using VC++

[condolesaP]

Hello everyone,
I m customozing AutoCAD using VC++ I want to display a messageBox in AutoCAD window can anybody please help me through it

[ltgbau]

get autocad window handle -> hwnd
MessageBox(hwnd, ...)

[condolesaP]

Thanx,
I had searched in MSVS there i found an eg which used MessageBox class and called Show function of it.
I did the same thing but I m recieving an error saying MessageBox is not a class
can u pls help me about this and pls also tell from where can i get the details about the function which u mentioned so that i can know which r the other parameters of it
Thanx,

get autocad window handle -> hwnd
MessageBox(hwnd, ...)