a lot of examples of the Alpha Alpha beginners have mixed the wrong question look at the example, there may be help.

Packet : 7941975opengl_alpha.rar filelist
Alpha\glI.cpp
Alpha\glt.cpp
Alpha\glt.h
Alpha\r.aps
Alpha\r.rc
Alpha\ReadMe.txt
Alpha\resource.h
Alpha\StdAfx.cpp
Alpha\StdAfx.h
Alpha\T.ico
Alpha\Tank.cpp
Alpha\Tank.dsp
Alpha\Tank.dsw
Alpha\Tank.ncb
Alpha\Tank.opt
Alpha\Tank.plg
Alpha\TWnd.cpp
Alpha\TWnd.h
Alpha

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