Question about VC6 use VC7 dll

[johnny_spring]

Hi,

I have a big program written in VC6 and another library that won
compile with VC6. So what I want to do is to use VC7 to create a DL
for the library and make my VC6 program use the DLL.

Is this possible?

Thank you for any help.
Jia

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[Bob Milton]

In general, the restrictions on doing this are so severe that it isn't
generally worth trying. For instance, the VC7 code will use a different (and
incompatible) version of MFC. And VC7 uses a different version of the C
Runtime, which causes grief if you try to allocate memory in the DLL and
free it in the user (or vice versa).
Bob Milton
"johnny_spring" <jo******************@no-mx.msusenet.com> wrote in message
news:jo******************@no-mx.msusenet.com...

Hi,

I have a big program written in VC6 and another library that wont
compile with VC6. So what I want to do is to use VC7 to create a DLL
for the library and make my VC6 program use the DLL.

Is this possible?

Thank you for any help.
Jian
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