Subclass System.Attribute : Attribute « Language Basics « C# / C Sharp

1. C# / C Sharp
2. Language Basics
3. Attribute

Subclass System.Attribute

 
using System;

[AttributeUsage(AttributeTargets.Class | AttributeTargets.Assembly, AllowMultiple = true, Inherited = false)]
public class AuthorAttribute : System.Attribute
{
    private string company; 
    private string name;

    public AuthorAttribute(string name)
    {
        this.name = name;
        company = "";
    }

    public string Company
    {
        get { return company; }
        set { company = value; }
    }

    public string Name
    {
        get { return name; }
    }
}


[assembly: Author("Tom", Company = "Ltd.")]
[Author("Tom", Company = "Abc Ltd.")]
class SomeClass { }

[Author("Lena")]
public class SomeOtherClass
{
}


[Author("FirstName")]
[Author("Jack", Company = "Ltd.")]
class MainClass
{
    public static void Main()
    {
        Type type = typeof(MainClass);

        object[] attrs = type.GetCustomAttributes(typeof(AuthorAttribute), true);

        foreach (AuthorAttribute a in attrs)
        {
            Console.WriteLine(a.Name + ", " + a.Company);
        }
    }
}

 

Related examples in the same category

1.	A simple attribute example
2.	Use a named attribute parameter
3.	Creating and using a class attribute.
4.	Attribute in class inheritance
5.	Defining New Attribute Classes
6.	Use AttributeUsage
7.	Use a property as a named attribute parameter
8.	Demonstrate the Conditional attribute
9.	Define contant and use it in Conditional attribute
10.	Demonstrate the Obsolete attribute
11.	Illustrates use of the Obsolete attribute
12.	Compiles into a library defining the RamdomSupplier attribute and the RandomMethod attribute
13.	Shows the use of assembly attributes
14.	How to create a custom attribute
15.	Illustrates use of the Conditional attribute
16.	Illustrates the GetCustomAttributes method
17.	demonstrates the flags attribute of an enumeration