(VC6 -> VC++ 2005 Express)WinMain overload error

This is a discussion on (VC6 -> VC++ 2005 Express)WinMain overload error within the Windows Programming forums, part of the Platform Specific Boards category; Hello everyone. I have a specific problem relating to Microsoft Visual C++ 2005 Express Edition. I wrote some code in ...

  1. #1
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    Exclamation (VC6 -> VC++ 2005 Express)WinMain overload error

    Hello everyone. I have a specific problem relating to Microsoft Visual C++ 2005 Express Edition.

    I wrote some code in Visual C++ 6.0 and it runs perfectly fine, but I recently downloaded Microsoft Visual C++ 2005 Express + Windows Platform SDK 2003 R2. I have set it up correctly following the setup guidelines at http://msdn.microsoft.com/vstudio/ex...k/default.aspx

    Yet, when I create a new Empty Win32 App in 2005 Express and just use my code that I wrote in VC6 I get errors for which I do not know how to fix. Here they are:

    error C2731: 'WinMain' : function cannot be overloaded
    see declaration of 'WinMain'
    Code:
    int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prevInstance, LPTSTR cmdLine, int cmdShow);
    error C2440: '=' : cannot convert from 'const char [16]' to 'LPCWSTR'
    Code:
    windowClassEx.lpszClassName = "Card Games Main";
    error C2664: 'LoadBitmapW' : cannot convert parameter 2 from 'const char [11]' to 'LPCWSTR'
    Code:
    cardsBmp = LoadBitmap(instance, "deck_cards");
    So whats the deal, eh? Has the entry WinMain function changed? Am I writing it improperly?

    Also, why does it complain about my strings? I've tried casting them to (LPCWSTR), but that didn't work. Any ideas to my problems?

  2. #2
    carry on JaWiB's Avatar
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    Try LPSTR in your WinMain declaration instead of LPTSTR.

    The other errors are caused by unicode being enabled by default in VC++ 2005. Use the TEXT macro:
    Code:
    windowClassEx.lpszClassName = TEXT("Card Games Main");
    "Think not but that I know these things; or think
    I know them not: not therefore am I short
    Of knowing what I ought."
    -John Milton, Paradise Regained (1671)

    "Work hard and it might happen."
    -XSquared

  3. #3
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    Thank you very much JaWiB!! After reading your post I did a google on UNICODE & VC++ 2005 and came up with this URL: http://forums.microsoft.com/msdn/sho...15916&siteid=1

    That explained how to disable UNICODE character set and now everything is working great.

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