I am new to dll programming and I have problem in using a dll library named litgen.dll which ships with litgen.idl . Now I don't have or intend to buy Microsoft Visual C++ or .NET environments. I prefer to use wingw (gcc variation for windows) for one because it's free of charge. Now I have code examples from microsoft to show me just how to use this dll ^properly^ but that's not going to work for me because those code examples are snobbish showoffs of almost every imaginable Microsoft specific programming tricks (like smart pointers, etc.etc.) not to mention that they require me to make litgen.h file using their midl.exe program which is shipped only to buying custormers with Visual C++ or .NET. What I wan't is just to use the functions in the dll the simplest way imaginable.
I guess luckily i got the .idl file with the dll, because it describes just what kinds of interfaces and functions there are inside the dll. But being new to the dll programming I just don't know how to gain access to them and use them. Also I am doing this with C *not C++* so if you could kindly give me example code how to use e.g. the Message() function described below.. (windows.h naturally available for my project)
Snippet from the .idl:
[object, uuid(6BC62165-B91C-4993-8002-5BC30B2D1196)]
interface ILITCallback : IUnknown {
//+-----------------------------------------------------------------------
//
// Function: Message
// Description: receives a warning, error, or informational message
// Parameters: iType - message type indicator:
// 0: fatal error
// 1: warning
// -1: informational message
// iMessageCode - see above
// pwszMessage - null-terminated message text
// Returns: S_OK
// Notes:
//
//------------------------------------------------------------------------
HRESULT Message([in] int iType, [in] int iMessageCode,
[in, string] const wchar_t* pwszMessage);
};
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