How to bind list items to list box for expend and minimize like nodes

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C#

How to bind sub items in List item in win forms with maximize and minimize buttons c#, i have just bind listitem with multiple columns,here is my code

What I have tried:

listView2.Columns.Add("Id", 245, HorizontalAlignment.Left);
listView2.Columns.Add("Name", 241, HorizontalAlignment.Left);
listView2.Columns.Add("Mobile Number", 245, HorizontalAlignment.Left);
listView2.Columns.Add("ASET", 245, HorizontalAlignment.Left);
// Getting the data to a datasource
SqlConnection con = new SqlConnection("Data Source=192.168.1.101\\SQLEXPRESS;Initial Catalog=algen_db;User ID=vipl-user;Password=vipl-user!@#$%");
listView2.Items.Clear();
SqlDataAdapter adp = new SqlDataAdapter("select acdesc,acno,speactype,acremarks from chartaccount where ParentAcNo is null order by AcNo", con);
DataTable dt = new DataTable();
adp.Fill(dt);

string[] Str = new string[4];
ListViewItem newItm;
foreach (DataRow dataRow in dt.Rows)
{
    Str[0] = dataRow["acdesc"].ToString();
    Str[1] = dataRow["acno"].ToString();
    Str[2] = dataRow["speactype"].ToString();
    Str[3] = dataRow["acremarks"].ToString();
    newItm = new ListViewItem(Str);
    listView2.Items.Add(newItm);              
    newItm.SubItems.Add("Aaa");
}