c++sdkvisual-studio-6platform-sdk

Visual Studio 6.0 C++ GlobalMemoryStatusEx (Old SDK Needed)

I've inherited a C++ project whose code lives on an XP SP3 virtual machine (yay).

For some reason, even though afxwin.h is included (and I included winbase.h for good measure), when I compile the application, I get a bunch of errors, the root ones are:

error C2065: 'MEMORYSTATUSEX' : undeclared identifier
error C2065: 'GlobalMemoryStatusEx' : undeclared identifier

I found the structure definition on MSDN, so that solved part of my issue (even though this is defined in winbase, it's not coming through for some reason).

typedef struct _MEMORYSTATUSEX {
  DWORD     dwLength;
  DWORD     dwMemoryLoad;
  DWORDLONG ullTotalPhys;
  DWORDLONG ullAvailPhys;
  DWORDLONG ullTotalPageFile;
  DWORDLONG ullAvailPageFile;
  DWORDLONG ullTotalVirtual;
  DWORDLONG ullAvailVirtual;
  DWORDLONG ullAvailExtendedVirtual;
} MEMORYSTATUSEX, *LPMEMORYSTATUSEX;

But that still gives me the issue with GlobalMemoryStatusEx. I tried putting the function definition in the header, which then gave me an unresolved external symbol error.

WINBASEAPI BOOL WINAPI GlobalMemoryStatusEx( LPMEMORYSTATUSEX lpBuffer);

error LNK2001: unresolved external symbol "__declspec(dllimport) int __stdcall GlobalMemoryStatusEx(struct _MEMORYSTATUSEX *)" (__imp_?GlobalMemoryStatusEx@@YGHPAU_MEMORYSTATUSEX@@@Z)

Kernel32.lib is included in the compiler commands, so I'm not sure why this isn't working. I thought maybe the function was deprecated, however I can get this to run just fine in VS2013 on a Windows 7 machine, so it's not that. I think it has something to do with the fact that winbase isn't being recognized, but I haven't worked with C++ for 15 years, so I'm unsure where to start.

Any ideas?

SOLUTION

I doubt many people are interested in the solution, but here it is nonetheless!

I finally found the "Windows Server 2003 SP1 SDK" in the Microsoft download center (a full list of SDKs is available on Wikipedia). I then had to add directories to the Tools->Options within VS6.0, and move them to the top of the list.

And finally, I got to see PROGRAM.exe - 0 error(s)

Options Menu

Solution

  • You should install an SDK that was released after VC 6 and that is new enough to include GlobalMemoryStatusEx but old enough to work with VC 6.

    The SDK that is shipped with VC 6 is too old to include GlobalMemoryStatusEx.

    Or, in my opinion the much better way: upgrade to a newer up-to-date version of Visual Studio (Visual Studio Express Editions can be downloaded for free.).