designPatternGuru/DesignPatternGuru/Composite/Program.cs

namespace Composite
{
	internal class Program
	{
		static void Main(string[] args)
		{
			Client client = new Client();

			// simple leaf
			Leaf leaf = new Leaf();
			Console.WriteLine("Client: I get a simple component:");
			client.ClientCode(leaf);
			Console.WriteLine("");

			// complex composites
			Composite tree = new Composite();
			
			Composite branch1 = new Composite();
			branch1.Add(new Leaf());
			branch1.Add(new Leaf());
			
			Composite branch2 = new Composite();
			branch2.Add(new Leaf());
			
			tree.Add(branch1);
			tree.Add(branch2);
			Console.WriteLine("Client: Now I've got a composite tree:");
			client.ClientCode(tree);
			Console.WriteLine("");


			Console.WriteLine("Client: I don't need to check the component classes even when managing the tree:");
			client.ClientCode2(tree, leaf);
		}
	}
}