at fact , i donot know what is the mean of Direct X?
i want some one to help me to find abook about Direct X using c#?????

DirectX is a graphics API. Read more about it here. It can be used for graphical simulations, creating games and anything related to hardcore graphics.

Also as far as C# with directx is concerned, see this, this, this and this.

thanks alot
but, i need help to find agood book about (How to use Diract X to make agame using C#)

Learn C# inside out before worrying about DirectX or games

Here you can find a list of the books you can buy. Read the reviews to find out which book is for you.