Question and Answer Database FAQ596C.txt Interface class lpVtbl is not a member of Category :Windows API Platform :All Product :BC++ 5.x Question: What causes the error lpVtbl is not a member of... Answer: MS Windows header files conditionally "wrap" C++ classes or C structures around various interfaces such as IUnknown or IMalloc. A common cause for this error is that you are compiling C style use of these "classes" in a C++ program. To use the code in a CPP file, define CINTERFACE before the inclusion of the header files. #define CINTERFACE 7/2/98 10:32:32 AM
Last Modified: 01-SEP-99