C#

private List<t> list;
.
.
.
protected void btnSubmit_Click(object sender, EventArgs e)
{
  list = DataGrid.DataSource; //I pulled this property off the top of my head. You'll have to play 
                              //with it     
  this.close();
}

public List<t> ShowDialog()
{
   base.ShowDialog();
   return list;
}
</t></t>

using System;
using System.Windows.Forms;

namespace DelegateExample
{
    public delegate void UpdateText(string text);

    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            Form2 frm2 = new Form2();
            frm2.SendText = new UpdateText(Update);
            frm2.Show();
        }
        private void Update(string text)
        {
            Text = text;
        }
    }
}

using System;
using System.Windows.Forms;

namespace DelegateExample
{
    public partial class Form2 : Form
    {
        public UpdateText SendText;
        public Form2()
        {
            InitializeComponent();
        }
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            SendText(textBox1.Text);
        }
    }
}

if (!Url.Contains("://"))
   Url = "http://" + Url;
 
string LstrDomain = Uri(Url).Host;

private Object _lockObject = new Object();
.
.
.
lock(_lockObject)
{
    ...
}