How do I use a C Class Library in a project

Question

I ve created a new Class Library in C  and want to use it in one of my other C  projects - how do I do this

User · Answer

Add it as a reference   References   Add Reference   Browse for your DLL   You will then need to add a using statement to the top of your code

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Add a reference to your library Import the namespace Consume the types in your library

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I m not certain why everyone is claiming that you need a using statement at the top of your file  as this is entirely unnecessary   Right-click on the  References  folder in your project and select  Add Reference   If your new class library is a project in the same solution  select the  Project  tab and pick the project  If the new library is NOT in the same solution  click the  Browse  tab and find the  dll for your new project

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In the Solution Explorer window  right click the project you want to use your class library from and click the  Add Reference  menu item  Then if the class library is in the same solution file  go to the projects tab and select it  if it s not in the same tab  you can go to the Browse tab and find it that way   Then you can use anything in that assembly

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You need to add a reference to your class library from your project  Right click on the references folder and click add reference  You can either browse for the DLL or  if your class libaray is a project in your solution you can add a project reference

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There are necessary steps that are missing in the above answers to work for all levels of devs    compile your class library project the dll file will be available in the bin folder in another project  right click ProjectName and select  Add      Existing Item  Browser to the bin folder of the class library project and select the dll file  3  amp  4 steps are important if you plan to ship your app to other machines  as others mentioned  add reference to the dll file you  just  added to your project as  Adam mentioned  just call the library name from anywhere in your program  you do not need a using statement

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Here is a good article on creating and adding a class library   Even shows how to create Methods through the method wizard and how to use it in the application

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Right Click on Project--   Add--    New Project-- click on Class Library   Now your class library is created as class1 cs  Right Click on References of your program console app   -- Add Reference-- classLibrary1 whatever you named  Now mention  using ClassLibrary1  in your program console app  Now u can easily call the method property in your console app

User · Answer

Add a reference to it in your project and a using clause at the top of the CS file where you want to use it   Adding a reference    In Visual Studio  click Project  and then Add Reference  Click the Browse tab and locate the DLL you want to add a reference to  NOTE  Apparently using Browse is bad form if the DLL you want to use is in the same project  Instead  right-click the Project and then click Add Reference  then select the appropriate class from the Project tab   Click OK    Adding a using clause   Add  using  namespace    to the CS file where you want to reference your library  So  if the library you want to reference has a namespace called MyLibrary  add the following to the CS file   using MyLibrary

[c#] How do I use a C# Class Library in a project?

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