C#

if (e.Button == MouseButtons.Left)
      {
        if (this.FormBorderStyle == FormBorderStyle.None)
        {
          this.FormBorderStyle = FormBorderStyle.Fixed3D;
          this.menuStrip.Visible = true;
          this.Location = new Point(this.Location.X, (this.Location.Y - SystemInformation.CaptionHeight));
          this.TransparencyKey = Color.Empty;
        }
        else
        {
          this.FormBorderStyle = FormBorderStyle.None;
          this.menuStrip.Visible = false;
          this.Location = new Point(this.Location.X, (this.Location.Y + SystemInformation.CaptionHeight));
          this.TransparencyKey = SystemColors.Control;
        }
      }

using System;<br />
using System.Collections.Generic;<br />
using System.Text;<br />
<br />
namespace ConsoleApplication1<br />
{<br />
    class Program<br />
    {<br />
        static void Main(string[] args)<br />
        {<br />
                        Console.WriteLine("Hello World");<br />
                    }<br />
    }<br />
}<br />

try
{
	const string proxyHostAndPort = "http://myproxy:8080";

	WebProxy webProxy = new WebProxy(proxyHostAndPort, true);
	webProxy.Credentials = CredentialCache.DefaultCredentials;

	WebRequest webRequest = WebRequest.Create("http://www.microsoft.com");
	webRequest.Credentials = CredentialCache.DefaultCredentials;
	webRequest.Proxy = webProxy;

	WebResponse webResponse = webRequest.GetResponse();
	Stream stream = webResponse.GetResponseStream();

	byte[] receivedDataInBytes = new byte[webResponse.ContentLength];
	stream.Read(receivedDataInBytes, 0, receivedDataInBytes.Length);
	string receivedDataInString = Encoding.ASCII.GetString(receivedDataInBytes);

	Trace.WriteLine(receivedDataInString);
}
catch (Exception ex)
{
	Console.WriteLine(ex.ToString());
}