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How Do I make Multiple "Entry Points" in a .NET CORE app?


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I am new to .NET CORE but I have followed a few tutorials. The tutorials I have followed are basically "Hello World" types of programs where I make a small functional  .Net Core application and I publish it. They are basically a DLL, I assume, and they run in some sort of system/container where they can run on any OS.

 

Even though the final product is a DLL, the code itself seems to be structured in a way where it is an actual executable application.

 

So how would I translate an actual C# DLL project into a .NET Core project? How would a project that is already designed to produce a DLL work in a .Net Core project?

 

Executables only have one entry point: static void Main.

 

.NET Libraries expose public methods which are all entry points in that sense.

 

An "entry point" in a program is where the operating system invokes an executable program file, the term does not apply to libraries. (and ASP.NET web-application files are really just libraries, the ASP.NET host just looks for certain exposed Page/Handler/Controller types). This applies to ASP.NET.  Does it also apply to .NET Core? Also, when I ran my .NET Core applications, I did it from a special command line. So how would that work if I translated a DLL C# program into a .NET Core program?

 

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If you want to generate an executable, you do:

dotnet publish -c Release -r win10-x64

"r" means "runtime", here's a list. By default, .NET Core compiles into a .dll which can then be executed on any platform supported by .NET Core (via dotnet "appname")

 

You can't have multiple entry points into an executable application. Even web applications contain a Main which builds web host.

 

Edit: Incidentally, https://stackoverflow.com

Edited by Fenixp
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