How to compile c# into dll

How to compile to a DLL in C

#A DLL (Dynamic Link Library) is a library containing code and data that can be reused in multiple applications. Here's how to compile into a DLL in C#:

1. Create a new project

• In Visual Studio, click File> New">"Project".
• Select "Visual C#" > "Windows Desktop" > "Class Library (.NET Framework)".

2. Add code

• Double-click the "Class1.cs" file in the project explorer.
• Add the following code to define a simple function:

public class Class1
{
    public int Add(int x, int y)
    {
        return x + y;
    }
}

3. Compile into DLL

• In "Build" menu, select Configuration Manager.
• In the Active Solution Configuration drop-down list, select All Configurations.
• Under the "Build" column, select the "DLL" checkbox.
• Click OK to save changes.

4. Generate DLL

• In the "Build" menu, select "Build Solution".
• After compilation is completed, the output DLL will be located in the "bin\Debug" or "bin\Release" folder of the project.

Additional Notes:

• Make sure to set "Target Framework" to the same .NET Framework version as the target application.
• The output DLL file name will be the same as the project name, but with a ".dll" extension.
• You can use the "regasm" tool to register a DLL as a COM component, making it available for use in unmanaged code.

The above is the detailed content of How to compile c# into dll. For more information, please follow other related articles on the PHP Chinese website!