ListViewItem[] items
=
new
ListViewItem[
listView1
.Items.Count];
int i = 0 ;
foreach (ListViewItem item in listView1 .Items)
{
items[i ++ ] = (ListViewItem)item.Clone();
}
listView2.Items.AddRange(items);
int i = 0 ;
foreach (ListViewItem item in listView1 .Items)
{
items[i ++ ] = (ListViewItem)item.Clone();
}
listView2.Items.AddRange(items);