A test for clipboard manipulation in C#.

Program.cs

using System;
using System.IO;
using System.Windows.Forms;
// ^ In a console application project you'll need to add a reference to this first.

namespace CSCoTest {
	class Program {
		static MemoryStream stringToMemoryStream(string value) {
			return new MemoryStream(System.Text.Encoding.UTF8.GetBytes(value));
		}
		static string memoryStreamToString(MemoryStream value) {
			int length = (int)value.Length;
			byte[] buffer = new byte[length];
			value.Read(buffer, 0, length);
			return System.Text.Encoding.UTF8.GetString(buffer);
		}
		[STAThread]
		static void Main(string[] args) {
			bool done = false;
			do {
				Console.WriteLine("Options:");
				Console.WriteLine("C copy");
				Console.WriteLine("P paste");
				Console.WriteLine("* exit");
				Console.Write("> ");
				ConsoleKeyInfo key = Console.ReadKey();
				Console.WriteLine();
				IDataObject data;
				switch (key.KeyChar) {
				case 'c':
					data = new DataObject();
					data.SetData("Text", "(text)");
					data.SetData("Xml", stringToMemoryStream("<xml/>"));
					Clipboard.SetDataObject(data, true);
					Console.WriteLine("Copied!");
					break;
				case 'p':
					data = Clipboard.GetDataObject();
					// Read text:
					Console.Write("Text: ");
					object text = data.GetData("Text");
					if (text == null) {
						Console.WriteLine("(null)");
					} else if (text is string) {
						Console.WriteLine(text as string);
					} else {
						Console.WriteLine("(not a string)");
					}
					// Read bytes:
					Console.Write("Xml: ");
					object xml = data.GetData("Xml");
					if (xml == null) {
						Console.WriteLine("(null)");
					} else if (xml is MemoryStream) {
						Console.WriteLine("(stream) " + memoryStreamToString((MemoryStream)xml));
					} else if (xml is string) {
						Console.WriteLine("(string) " + (string)xml);
					} else {
						Console.WriteLine("(unknown type)");
					}
					//
					Console.WriteLine("Pasted!");
					break;
				default:
					done = true;
					break;
				}
			} while (!done);
		}
	}
}