a question about adding glui.h and glui32.lib

I use Microsoft Visual Studio .NET 2003 in windowsXP. to use openGL, I need adding glui.h and glui32.lib. But I find that there are two directories for glui.h and glui32.lib respectively.

for glui.h
C:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\include\GL
C:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\PlatformSDK\Include\gl

which one I should add gui.h to or add to both.

for glui32.lib
C:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\lib
C:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\PlatformSDK\Lib

which directory I should add glui32.lib to or add glui32.lib to both?

thanks,

Aimin Yan