How can I create a dll file in C#?
DLL files use languages like C or C++, although you'll see C++ more often. You can write your own DLLs to run some code you need if you're willing to learn how to do it. It could be valuable to your project and of course it could make you look good in return.
In Windows, a dynamic-link library (DLL) is a kind of executable file that acts as a shared library of functions and resources. Dynamic linking is an operating system capability. It enables an executable to call functions or use resources stored in a separate file.
A Dynamic Link library (DLL) is a library that contains functions and codes that can be used by more than one program at a time. Once we have created a DLL file, we can use it in many applications. The only thing we need to do is to add the reference/import the DLL File.
File menu -> New Project -> choose your Programing language (Visual C#/VB etc.) -> Windows -> Class Library.
After the project has been created, make use of Build menu -> Build Solution (or Build [Project Name]) to compile the project.
You may find out the dll in the folder: project folder\bin\debug(or release)
Assuming you are using Visual Studio as your IDE:
DLL file will be found in a sub-folder of the new project (likely \bin\Debug)
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