Root1
     R1Child1
     R1Child2
Root2
     R2Child1
     R2Child2
Root3
     R3Child1
     R3Child2

private void treeHardware_AfterSelect(object sender, TreeViewEventArgs e)
{

        if (e.Node.Text == SysInfo.CPU.Name)
        {
            deleteRows();
            initFixedRows();
            updateTableCPU();
        }
        else if (e.Node.Text == ramNameIdent)
        {
            deleteRows();
            initFixedRows();
            updateTableRAM(e.Node.Index);
        }
        else if (e.Node.Text == "Memory")
        {
            deleteRows();
            initFixedRows();
            loadRAMDetails(0);
            loadRAMOverview();
        }
        else if( e.Node.Text == "Mainboard")
        {
            deleteRows();
            initFixedRows();
            updateTableMainboard();
        }
        else
        {
            Console.WriteLine("ERROR");
        }
}