C#

private void import(object sender, EventArgs e)
{
    ...
    this.listView2.LargeImageList=this.listView1.LargeImageList = imageList;

}

private void listView2_DragDrop(object sender, DragEventArgs e)
{
    ...
     this.listView2.LargeImageList = imageList;
}

foreach (ListViewItem each in listView1.SelectedItems)
{
    listView2.Items.Add(item.Text, item.ImageIndex);

    //imageList.Images.Add(item.ImageIndex);
    listView2.TileSize = new System.Drawing.Size(100, 80);
}

this.invoke("delegatename","parameters");