C# ListView 복사 붙여넣기

private void listview_KeyDown(object sender, KeyEventArgs e)
{
    if (e.Control && e.KeyCode == Keys.C)
    {
        CopyListBox((System.Windows.Forms.ListView)sender);
    }
}
 
 
public void CopyListBox(ListView list)
{
    StringBuilder sb = new StringBuilder();
    foreach (var item in list.SelectedItems)
    {
        ListViewItem l = item as ListViewItem;
        if (l != null)
            foreach (ListViewItem.ListViewSubItem sub in l.SubItems)
                sb.Append(sub.Text + "\t");
        sb.AppendLine();
    }
    Clipboard.SetDataObject(sb.ToString().Trim());
 
}