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What does the .csproj file do?

Usually a C# project has a .csproj file associated with it. What is that file for? What data does it contain?

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Mircea Avatar asked Jun 22 '11 20:06

Mircea


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How do I open a .csproj file?

csproj file in Windows File Explorer, or choose Open a project in Visual Studio, browse to find the . csproj file, and select the file. After the project loads in Visual Studio, if your Visual Studio solution has more than one project, make sure to set the project with the Main method as the startup project.

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2 Answers

Basically the .csproj file contains the list of files in your project, plus the references to system assemblies etc.

There are a whole bunch of settings - Visual Studio version, project type, Assembly name, Application Icon, Target Culture, Installation Url,...

Everything you need to build your project. While you could assume that you need everything in the current folder, having an explicit list allows you to organise them logically both on the disk and in the project so you can more easily find the files you want.

It's just XML so you can open it in your favourite text editor and take a look.

You get one .csproj file per assembly and the .sln (solution file) ties together all the assemblies that make up your project.

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ChrisF Avatar answered Oct 09 '22 19:10

ChrisF


The file contains a list of all the files to be compiled as part of the project, as well as other options like the project name, release and debug configurations, compilation options, and so on.

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Brennan Vincent Avatar answered Oct 09 '22 21:10

Brennan Vincent