C# Custom

You can create your own custom attributes by defining an attribute class,a chic that derives anon or alongside from Attribute, which makes anecdotic aspect definitions in metadata fast and easy. Suppose you want to tag classes and structs with the name of the programmer who wrote the class or struct. You might define a custom Author attribute class:

[System.AttributeUsage(System.AttributeTargets.Class |
                       System.AttributeTargets.Struct)
]
public class Author : System.Attribute
{
    private string name;
    public double version;

    public Author(string name)
    {
        this.name = name;
        version = 1.0;
    }
}