//events
        public new event EventHandler Click
        {
            add { picbox.Click += value; }
            remove { picbox.Click -= value; }
        }

public Form1()
        {
            InitializeComponent();
            foreach (Control c in this.Controls)
            {
                TP1CustomListView ctLV = c as TP1CustomListView;
                if (ctLV != null)
                {
                    ctLV.Click += ctLV_Click;

                }
            }
        }

  void ctLV_Click(object sender, EventArgs e)
        {

            TP1CustomListView customView = sender as TP1CustomListView;

              if(customView!=null)
              {
                  MessageBox.Show(customView.subtbTitle.Text + customView.subtbContent.Text + customView.subtbFooter.Text);
              }
        }

//sub controls
        public PictureBox subPicbox;
        public TextBox subtbTitle;
        public TextBox subtbContent;
        public TextBox subtbFooter;
        public TP1CustomListView()
        {
            InitializeComponent();
            subtbTitle = txtTitle;
            subtbContent = txtContent;
            subtbFooter = txtFooter;
            subPicbox = picbox;
            tableLayoutPanel1.Dock = DockStyle.Fill;
        }