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.NET Forum / Languages / Managed C++ / March 2005How to create a C++ class to have a .NET interface
There is a 3rd party library that is a bit complex, has a number of functions and structs and variable length data, the whole bit. I saw Eric Gunnerson's July 14, 2002, article "Using Existing Code in C#". He talks about four different ways to wrap the code in C++, the last one is: "Modifying a C++ class to have a .NET interface", but he never talks about how to actually do this. Can anyone point me to documentation about how to do this? Sam > There is a 3rd party library that is a bit complex, has a number > of functions and structs and variable length data, the whole bit. [quoted text clipped - 3 lines] > interface", but he never talks about how to actually do this. Can > anyone point me to documentation about how to do this? You can use managed extensions (MC++) to wrap an unmanaged class. The managed wrapper can then be used in C# or other managed code. -- Ajay Kalra [MVP - VC++] ajaykalra@yahoo.com >> There is a 3rd party library that is a bit complex, has a >> number of functions and structs and variable length data, the [quoted text clipped - 8 lines] > class. The managed wrapper can then be used in C# or other > managed code. Wonderful! Can you give me the title of an MSDN Document to get me pointed in the right direction? So far, the best I have been able to find is: "Interoperating with Unmanaged Code" From what it looks like to me, this only deals with calling an unmanaged DLL, not wrapping a unmanaged C++ class in a managed C++ class. Sam This article is little dated but it should still work fine: http://msdn.microsoft.com/msdnmag/issues/02/02/ModernC/ It demonstrates wrapping a unmanaged class in a managed object. -------- Ajay Kalra ajaykalra@yahoo.com Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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