this.Load += new System.EventHandler(this.Form1_Load);
	        private void Form1_Load(object sender, System.EventArgs e)
		{
			this.ListView1.ItemDrag +=new ItemDragEventHandler(ListView1_ItemDrag); 
			this.ListView1.Items.Add("foo-bar1");
			this.ListView1.Items.Add("foo-bar2");
			Form2 f = new Form2();
			f.Show();
		}
		private void ListView1_ItemDrag(object sender, _
  System.Windows.Forms.ItemDragEventArgs e)
		{
			ListView lv = ((ListView)sender);
			System.Array MyItems = System.Array.CreateInstance(typeof( _
  ListViewItem),lv.SelectedItems.Count) ;
			lv.SelectedItems.CopyTo(MyItems , 0);
			lv.DoDragDrop(MyItems, DragDropEffects.All);
		}

this.Load += new System.EventHandler(this.Form2_Load);
private void Form2_Load(object sender, System.EventArgs e)
		{
			this.ListView1.DragDrop  +=new DragEventHandler(ListView1_DragDrop);
			this.ListView1.DragEnter +=new DragEventHandler(ListView1_DragEnter); 
			this.ListView1.Items.Add("bla-blub1");
			this.ListView1.Items.Add("bla-blub2");
			this.ListView1.AllowDrop = true;
		}
		private void ListView1_DragDrop(object sender, _
  System.Windows.Forms.DragEventArgs e)
		{
			try 
			{
				ListView lv = ((ListView)sender);
				ListViewItem[] items = ((ListViewItem[])e.Data.GetData(typeof( _
  ListViewItem[])));
				foreach (ListViewItem s in items) 
				{
					lv.Items.Add((ListViewItem)s.Clone());
				}
			} 
			catch (Exception ex) 
			{
				System.Diagnostics.Debug.WriteLine(ex.ToString());
			}
		}
		private void ListView1_DragEnter(object sender, _
  System.Windows.Forms.DragEventArgs e)
		{
			e.Effect = DragDropEffects.Copy;
		}