public Form1()
{
InitializeComponent();
//Show details with two columns
lv.View = View.Details;
lv.Columns.Add("First Item", -2, HorizontalAlignment.Center);
lv.Columns.Add("Sub Item", -2, HorizontalAlignment.Center);
//Add individual items to the first stored list
lvw1 = new LvItems();
lvw1.Add("1 I belong to LC1");
lvw1.Add("2 I belong to LC1");
lvw1.Add("3 I belong to LC1");
//Add an item to the first list that has a sub item
ListViewItem k = new ListViewItem();
k.Text = "4 Parent Item";
k.SubItems.Add("Sub Item 1");
lvw1.Add(k);
//Add items to the second stored list
lvw2 = new LvItems();
lvw2.Add("1 I belong to LC2");
lvw2.Add("2 I belong to LC2");
lvw2.Add("3 I belong to LC2");
lv.Items.AddRange(lvw1.Items);
}
private void cmdSwap_Click(object sender, System.EventArgs e)
{
SwapList = SwapList == lvw2 ? lvw1 : lvw2;
lv.Items.Clear();
lv.Items.AddRange(SwapList.Items);
}