Re: MFC CMap port from VS6

From:

"Tom Serface" <tom.nospam@camaswood.com>

Newsgroups:

microsoft.public.vc.mfc

Date:

Wed, 30 Jan 2008 10:05:59 -0800

Message-ID:

<B3DB7F12-FB30-4FCA-A2D3-02A4397DD647@microsoft.com>

I can understand CString not working since it changed after v6.0 and I
don't think there is a hashing function available, by default, to handle
CStrings. You could try using CMapStringToString for the first one or
CMapEx. What type of object is CMyClass? Could be a similar problem.

http://msdn2.microsoft.com/en-us/library/ddw782e0(vs.71).aspx

You may need a hashing function for your own class as well. These links
have examples:

http://forums.devx.com/showthread.php?t'606
http://www.programmersheaven.com/mb/mfc_coding/132416/132416/ReadMessage.aspx

Tom

"Geoff Cohen" <GeoffCohen@discussions.microsoft.com> wrote in message
news:64722171-0796-49C1-A5F7-2E1F928AC97D@microsoft.com...

I'm trying to move an MFC application from VS6 to VS2005, but I can't
compile
CMaps that use classes e.g.
CMap <CString, CString &, CString, CString &> map1;
CMap <class CMyClass, class CMyClass &, DWORD, DWORD &> map2;
Always complains with error C2440

Any suggestions?
Thanks

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