Inspect the Attributes of a Program Element Using Reflection - CSharp Reflection

CSharp examples for Reflection:Attribute

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Description

Inspect the Attributes of a Program Element Using Reflection

Demo Code


using System;/* ww  w  . j  a va  2s .c  om*/

[Author("Lena")]
[Author("Allen", Company = "Apress")]
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);
        }

    }
}

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

    // Declare a public constructor.
    public AuthorAttribute(string name)
    {
        this.name = name;
        company = "";
    }

    // Declare a property to get/set the company field.
    public string Company
    {
        get { return company; }
        set { company = value; }
    }

    // Declare a property to get the internal field.
    public string Name
    {
        get { return name; }
    }
}

Result


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