Re: GetMessage Function MFC Mixed mode dll link problems...
"Marcus Heege" <NOSPAM@heege.net> wrote in message
news:u0ahHjThGHA.4404@TK2MSFTNGP05.phx.gbl...
Hi Craig,
<Craig K> wrote in message news:u%23XnZJOhGHA.3956@TK2MSFTNGP02.phx.gbl...
Marcus,
I tried that and unfortunately it did not help.
Thanks.
Craig
"Marcus Heege" <NOSPAM@heege.net> wrote in message
news:%23LWdt7NhGHA.3916@TK2MSFTNGP04.phx.gbl...
Hi Craig,
<Craig K> wrote in message
news:%23bBnNtNhGHA.4044@TK2MSFTNGP03.phx.gbl...
All,
I have a MFC Mixed mode dll which is working well. I am now tring to
use a regular C++ class from another DLL which has a method called
GetMessage. When I link I get 2 error messages:
MyClass.obj : error LNK2028: unresolved token (0A00074C) "public: class
CMessage * __thiscall CTransmitMessage::GetMessage(int)"
(?GetMessage@CTransmitMessage@DSS@@$$FQAEPAVCMessage@2@H@Z) referenced
in function "private: void __thiscall
CMyClass::ProcessStateResponse(class CStateResponse const &)"
(?ProcessStateResponse@CMyClass@DSS@@$$FAAEXABVCStateResponse@2@@Z)
MyClass.obj : error LNK2019: unresolved external symbol "public: class
CMessage * __thiscall CTransmitMessage::GetMessage(int)"
(?GetMessage@CTransmitMessage@DSS@@$$FQAEPAVCMessage@2@H@Z) referenced
in function "private: void __thiscall
CMyClass::ProcessStateResponse(class CSaveStateResponse const &)"
(?ProcessStateResponse@CMyClass@DSS@@$$FAAEXABVCStateResponse@2@@Z)
CMyClass::ProcessResponse( stateMsg )
...
CMessage* pMessage = stateMsg.GetMessage( i );
...
This class and function have been used for years, but I get this
specicific link error when I use it from any MFC Mixed mode dll. If I
rename the function something other than GetMessage, I do not get the
linking errors. This leads me to think there is some conflict on the
GetMessage name with the .Net Framework but I do not know how to
resolve this. Any ideas?
Thanks!
Craig Klementowski
what happens if you
#undef GetMessage
in the file that causes the errors?
Marcus
Is it possible to repoduce the poblem in a small VS solution, so that I
can do further reseach?
Please view the DLL containing CTransmitMessage with DependencyWalker. Most
likely while the DLL was built, it renamed the function to GetMessageA.
www.dependencywalker.com
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