C#

double d;
int yourInt;
if(double.TryParse(YoureString,System.Globalization.NumberStyles.Integer, CultureInfo.CurrentCulture, out d))
{
	yourInt = Convert.ToInt32(d);
}

private void Form1_Load(object sender, EventArgs e)
{
    OpenFileDialog dlg = new OpenFileDialog();
    List<Control> loadedCtrls = new List<Control>();

    if (dlg.ShowDialog() == DialogResult.OK)
    {
        Assembly src = Assembly.LoadFile(dlg.FileName);

        Type[] types = src.GetExportedTypes();
        foreach (Type test in types)
        {
            // First test that the type is a class and that it's not an abstract class,
            // and finally that it is either Control or a subtype of Control.
            if (test.IsClass && !test.IsAbstract && typeof(Control).IsAssignableFrom(test))
            {
                // Now make sure we have an empty public constructor for
                // the CreateInstance method.
                if (test.GetConstructor(Type.EmptyTypes) != null)
                    loadedCtrls.Add((Control)src.CreateInstance(test.FullName));
            }
        }
    }

    Console.WriteLine(loadedCtrls.Count.ToString());
}

myChild frm1; //myChild is the ID of your child form<br />
frm1 = new frm1();<br />
frm1.ShowDialog(this);

((myMDI)(this.Owner)).Label1.Text = "Hi";<br />
<br />
 // myMDI is your MDI form

dino2094 wrote:

My question, do I need another TCPListener for the other port

Upload u = new Upload();<br />
Disconnect d = new Disconnect();<br />
//Both implement IDisconnect<br />
<br />
if (u is IDisconnect && d is IDisconnect)<br />
{<br />
	//Do something...<br />
}

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
  class Program
  {
    static void Main(string[] args)
    {
      Type[] ifaceA = typeof(A).GetInterfaces();
      Type[] ifaceB = typeof(B).GetInterfaces();

      List<Type> types = new List<Type>();
      types.AddRange(ifaceA);

      foreach (Type t in ifaceB)
      {
        if (types.Contains(t))
          Console.WriteLine("Found {0}", t.Name);
      }
    }
  }

  interface IList1
  {
    void Name();
  }
  public class B : IList1
  {
    #region IList1 Members

    public void Name()
    {
      throw new Exception("The method or operation is not implemented.");
    }

    #endregion
  }
  public class A : IDisposable, IList1
  {
    #region IDisposable Members

    public void Dispose()
    {
      throw new Exception("The method or operation is not implemented.");
    }

    #endregion

    #region IList1 Members

    public void Name()
    {
      throw new Exception("The method or operation is not implemented.");
    }

    #endregion
  }
}

IList1 t = A as IList1;
IList1 t2 = B as IList1;

if (t != null && t2 != null) 
{
...
}