To compile Gle DLL:

1. Extract the archive
2. Open the Visual Stuido solution (convert if needed)
3. Copy Gle.h over the original version
4. Change Configuration Type from Static Library (.lib) to Dynamic Library (.dll)
5. Add opengl32.lib and glu32.lib to the Linker Additional Dependences list
6. Select appropriate configuration (x86 or x64)
7. Compile