C#

<Window x:Class="georgeAlpha.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="320" Width="625">
    <Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="DockPanel Sample">
        <DockPanel LastChildFill="True">
            <Border Height="30" BorderBrush="Black" BorderThickness="1" DockPanel.Dock="Top">
                <Menu Name="menu1">
                    <MenuItem Header="_File" HorizontalAlignment="Left">
                    </MenuItem>
                    <MenuItem Header="_SaveAs" />
                    <MenuItem Header="_Options" HorizontalAlignment="Left">
                    </MenuItem>

class Cat:Mammal
{      
    public override  void MakeSound()
    {
        Console.WriteLine("Meow");        
    }    
}

class Dog:Mammal
{

    public override void MakeSound()
    {
         Console.WriteLine("Bow");        
    }    
}

Main()
{

    MammalTypes mammalType = RecieveValueFromServer();
    Mammal mammalBase
    switch(mammalType) // need to make this dynamic depending upon Enum type
    {
        case MammalTypes.Cat:mammalBase = new Cat()
                             break;
        case MammalTypes.Dog:mammalBase = new Dog()
                             break;            
    }

    mammalBase.MakeSound()
}