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i want use dll made in c#(visual studio 2008) in c++ project(visual studio 2003). how to do that ? please heeelp
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C is a programming language that is both versatile and popular, allowing it to be used in a vast array of applications and technologies. It can, for example, be used to write the code for operating systems, much more complex programs and everything in between.
There is at least one C compiler for almost every existent architecture. And nowadays, because of highly optimized binaries generated by modern compilers, it's not an easy task to improve on their output with hand written assembly.
As a middle-level language, C combines the features of both high-level and low-level languages. It can be used for low-level programming, such as scripting for drivers and kernels and it also supports functions of high-level programming languages, such as scripting for software applications etc.
As I have said, C is a powerful, general-purpose programming language, and it's also a great language to learn when you start with programming. It gives you a lot more control over how your program uses memory, which is a tricky part but also very important if you want to become a better programmer.
There is more than just COM interop, the MSDN FAQ also lists lesser known methods:
2.2 How do I call .NET assembly from native Visual C++?
There are basically four methods to call .NET assembly from native VC++ code. Microsoft All-In-One Code Framework has working examples that demonstrate the methods.
Native VC++ module calls CLR Hosting APIs to host CLR, load and call the .NET assembly. (All-In-One Code Framework Sample Code: CppHostCLR)
If the .NET assembly can be exposed as a COM component, native VC++ module can call into the .NET assembly through .NET – COM interop. (All-In-One Code Framework Sample Code: CppCOMClient)
Reverse PInvoke: the managed code call native passing a delegate the native code can call back. (All-In-One Code Framework Sample Code: CSPInvokeDll)
If the module containing native VC++ code is allowed to enable CLR, the native VC++ code can call .NET assembly directly through the “It Just Works”, or “IJW”, mechanism. (All-In-One Code Framework Sample Code: CppCLIWrapLib)
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