using System;

[Developer("Joan Smith", "42", Reviewed = true)]
class MainApp
{
    public static void Main() 
    {
        //Call function to get and display the attribute.
        GetAttribute(typeof(MainApp));
    }
    
    public static void GetAttribute(Type t) 
    {
        
        
        //Get instance of the attribute.    
            DeveloperAttribute MyAttribute = (DeveloperAttribute) Attribute.GetCustomAttribute(t, typeof (DeveloperAttribute));
            
            if(null == MyAttribute)
            {
                Console.WriteLine("The attribute was not found.");
            }
            else
            {
                //Get the Name value.    
                Console.WriteLine("The Name Attribute is: {0}." , MyAttribute.Name);
                //Get the Level value.    
                Console.WriteLine("The Level Attribute is: {0}." , MyAttribute.Level);
                //Get the Reviewed value.
                Console.WriteLine("The Reviewed Attribute is: {0}." , MyAttribute.Reviewed);
            }
    }
}

Imports System

<Developer("Joan Smith", "42", Reviewed := True)> Class MainApp
    
    Public Shared Sub Main()
        'Call function to get and display the attribute.
        GetAttribute(GetType(MainApp))
    End Sub
    
    Public Shared Sub GetAttribute(t As Type)        
        
        'Get instance of the attribute.
        Dim MyAttribute As DeveloperAttribute = _
        CType(Attribute.GetCustomAttribute(t, GetType(DeveloperAttribute)), DeveloperAttribute)
        
        If MyAttribute Is Nothing Then
            Console.WriteLine("The attribute was not found.")
        Else
            'Get the Name value.
            Console.WriteLine("The Name Attribute is: {0}.", MyAttribute.Name)
            'Get the Level value.
            Console.WriteLine("The Level Attribute is: {0}.", MyAttribute.Level)
            'Get the Reviewed value.
            Console.WriteLine("The Reviewed Attribute is: {0}.", MyAttribute.Reviewed)
        End If
    End Sub
End Class

The Name Attribute is: Joan Smith.
The Level Attribute is: 42.
The Reviewed Attribute is: True.

The attribute was not found. 

public static void GetAttribute(Type t)
{
    DeveloperAttribute[] MyAttribute =
    (DeveloperAttribute[]) Attribute.GetCustomAttributes(t, typeof (DeveloperAttribute));
    
    if(null == MyAttribute)
    {
        Console.WriteLine("The attribute was not found.");
    }
    else
    {
        for(int i = 0 ; i < MyAttribute.Length ; i++)
        {
            //Get the Name value.    
            Console.WriteLine("The Name Attribute is: {0}." , MyAttribute[i].Name);
            //Get the Level value.  
            Console.WriteLine("The Level Attribute is: {0}." , MyAttribute[i].Level);
            //Get the Reviewed value.
            Console.WriteLine("The Reviewed Attribute is: {0}.", MyAttribute[i].Reviewed);
        }
    }
}

Public Shared Sub GetAttribute(t As Type)
    Dim MyAttribute As DeveloperAttribute() = _
    CType(Attribute.GetCustomAttributes(t, GetType(DeveloperAttribute)), DeveloperAttribute())
       
    If MyAttribute Is Nothing Then
        Console.WriteLine("The attribute was not found.")
    Else
        Dim i As Integer
        For i = 0 To MyAttribute.Length - 1
            'Get the Name value. 
            Console.WriteLine("The Name Attribute is: {0}.", MyAttribute(i).Name)
            'Get the Level value.   
            Console.WriteLine("The Level Attribute is: {0}.", MyAttribute(i).Level)
            'Get the Reviewed value.
            Console.WriteLine("The Reviewed Attribute is: {0}.", MyAttribute(i).Reviewed)
        Next i
    End If
End Sub

public static void GetAttribute(Type t) 
{
            
    DeveloperAttribute att;

    //Get the class-level attributes.
    
    //Put the instance of the attribute on the class level in the att object.
    att = (DeveloperAttribute) Attribute.GetCustomAttribute (t, typeof (DeveloperAttribute));
        
    if(null == att)
    {
        Console.WriteLine("No attribute in class {0}.\n", t.ToString());
    }
    else
    {
        Console.WriteLine("The Name Attribute on the class level is: {0}.", att.Name);
       Console.WriteLine("The Level Attribute on the class level is: {0}.", att.Level);
       Console.WriteLine("The Reviewed Attribute on the class level is: {0}.\n", att.Reviewed);
    }   

    //Get the method-level attributes.

    //Get all methods in this class, and put them
    //in an array of System.Reflection.MemberInfo objects.
    MemberInfo[] MyMemberInfo = t.GetMethods();

    //Loop through all methods in this class that are in the 
    //MyMemberInfo array.
    for(int i = 0; i < MyMemberInfo.Length; i++)
    {        
        att = (DeveloperAttribute) Attribute.GetCustomAttribute(MyMemberInfo[i], typeof (DeveloperAttribute));
        if(null == att)
        {
            Console.WriteLine("No attribute in member function {0}.\n" , MyMemberInfo[i].ToString());
        }
        else
        {
            Console.WriteLine("The Name Attribute for the {0} member is: {1}.", MyMemberInfo[i].ToString(), att.Name);
            Console.WriteLine("The Level Attribute for the {0} member is: {1}.", MyMemberInfo[i].ToString(), att.Level);
            Console.WriteLine("The Reviewed Attribute for the {0} member is: {1}.\n", MyMemberInfo[i].ToString(), att.Reviewed);
        }        
    }
}

Public Shared Sub GetAttribute(t As Type)
    
    Dim att As DeveloperAttribute
    
    'Get the class-level attributes.
    'Put the instance of the attribute on the class level in the att object.
    att = CType(Attribute.GetCustomAttribute(t, GetType(DeveloperAttribute)), DeveloperAttribute)
    
    If att Is Nothing Then
        Console.WriteLine("No attribute in class {0}.", t.ToString())
        Console.WriteLine()
    Else
        Console.WriteLine("The Name Attribute on the class level is: {0}.", att.Name)
        Console.WriteLine("The Level Attribute on the class level is: {0}.", att.Level)
        Console.WriteLine("The Reviewed Attribute on the class level is: {0}.", att.Reviewed)
        Console.WriteLine()
    End If
    
    'Get the method-level attributes.
    'Get all methods in this class and put them
    'in an array of System.Reflection.MemberInfo objects.
    Dim MyMemberInfo As MemberInfo() = t.GetMethods()
    
    'Loop through all methods in this class that are in the 
    'MyMemberInfo array.
    Dim i As Integer
    For i = 0 To MyMemberInfo.Length - 1
        att = CType(Attribute.GetCustomAttribute(MyMemberInfo(i), GetType(DeveloperAttribute)), DeveloperAttribute)
        If att Is Nothing Then
            Console.WriteLine("No attribute in member function {0}.", MyMemberInfo(i).ToString())
            Console.WriteLine()
        Else
            Console.WriteLine("The Name Attribute for the {0} member is: {1}.", MyMemberInfo(i).ToString(), att.Name)
            Console.WriteLine("The Level Attribute for the {0} member is: {1}.", MyMemberInfo(i).ToString(), att.Level)
            Console.WriteLine("The Reviewed Attribute for the {0} member is: {1}.", MyMemberInfo(i).ToString(), att.Reviewed)
            Console.WriteLine()
        End If
    Next i
End Sub