how can i write text in my 3d scene

How can i write text in my 3d secen,and the text is always facing the viewer?Any codes?Thanks

You should look on the NeHe (Neon Helium) site. There a lot of possibilities. You can also choose that Windows Creates 2D or 3D fonts for your application or just use a simple Bitmap texture. The address is: http://nehe.gamedev.net and check the lessons.