Instructions on defining header files

If the following issues occur during compilation:

C:/program files/Microsoft Visual Studio/vc98/ATL/include/atliface. H (2020): Error c2065: 'guid _ null': Undeclared identifier
C:/program files/Microsoft Visual Studio/vc98/ATL/include/atliface. H (2020): Error c2440: 'default argument ': cannot convert from 'int' to 'const struct _ guid &'
Reason: cannot convert from 'int' to 'const struct _ guid'
No constructor cocould take the source type, or constructor overload resolution was ambiguous
C:/program files/Microsoft Visual Studio/vc98/ATL/include/atliface. H (2020): Error c2548: 'atlaxcreatecontrolex ': Missing default parameter for parameter 6
C:/program files/Microsoft Visual Studio/vc98/include/cguid. H (17): Error c2373: 'guid _ null': redefinition; Different Type Modifiers

 

Indicates that the header file # include <cguid. h> is not added, and the header file must be added immediately after <windows. h> is added.