Unresolved external symbol for some function calls but not all
问题 I'm trying to create a C++ DLL for use in a VBA program. I'm following this example and had success compiling the example code and using the resulting DLL. However, I needed to add some additional functionality to the DLL so I created a few more functions in the example code and recompiled it. I then made a test program to test my new functions. When I try to call some of the DLL functions from my test project I get linker errors similar to this: error LNK2019: unresolved external symbol "int