单击按钮即可在面板内动态添加面板

在FlowLayoutPanel为这个做。

这是一个例子。我使用不同的方法BackColors来展示每个新产品如何Panel将先前的产品压低：

Random R = new Random();
private void button1_Click(object sender, EventArgs e)
{
    Panel p = new Panel();
    p.Name = "panel" + (flowLayoutPanel1.Controls.Count + 1);
    p.BackColor = Color.FromArgb(123, R.Next(222), R.Next(222));
    p.Size = new Size(flowLayoutPanel1.ClientSize.Width, 50);
    flowLayoutPanel1.Controls.Add(p);
    flowLayoutPanel1.Controls.SetChildIndex(p, 0);  // this moves the new one to the top!
    // this is just for fun:
    p.Paint += (ss, ee) => {ee.Graphics.DrawString(p.Name, Font, Brushes.White, 22, 11);};
    flowLayoutPanel1.Invalidate();
}