I’m not a developer and as such I don’t have a copy of Visual Studio but this evening I needed to compile somebody else’s C# code to produce a dynamic link library (DLL) and call it from a Windows PowerShell script. Somewhere back in my distant past I recall using Turbo Pascal, Borland C++, early versions of Visual Basic and even Modula-2 to make/link/compile executables but I’ve never used a modern compiled language (even on Linux I avoid rolling my own code and opt for RPM-based installations). So I downloaded and installed Visual C# 2005 Express Edition (plus service pack 1, plus hotfix to make it run on Windows Vista).
Sadly that didn’t get me anywhere – I’m totally confused in the Visual Studio IDE and anyway, the instructions I had told me to access the Visual Studio command prompt and run csc /t:library filename.cs.
It turns out that the Visual Studio Express Editions don’t include the Visual Studio command prompt but in any case, the C# compiler (csc.exe) is not part of Visual Studio but comes with the Microsoft.NET framework (on my system it is available at %systemroot%\Microsoft.NET\Framework\v2.0.50727\). Once I discovered the whereabouts of the compiler, compiling the code was a straightforward operation.
As for what I did with the DLL and PowerShell, I’ll save that for another post.
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