title: How to drag Multi items between 2 listbox in C#?
body: <p>I can drag one item from listbox1 and drop it to listbox2 but how can i do it when i select multi items from listbox1?</p>
  
  <pre><code>    private void FrmCh3_Load(object sender, EventArgs e)
      {
          listBox2.AllowDrop = true;
  
      }
      private void listBox1_MouseDown(object sender, MouseEventArgs e)
      {
  
  
          listBox1.DoDragDrop(listBox1.SelectedItem, DragDropEffects.Copy);
  
      }
      private void listBox2_DragEnter(object sender, DragEventArgs e)
      {
          e.Effect = DragDropEffects.Copy;
      }
  
      private void listBox2_DragDrop(object sender, DragEventArgs e)
      {          
          listBox2.Items.Add(e.Data.GetData(DataFormats.Text));
  
      }
  </code></pre>