private void label3_Click(object sender, EventArgs e)
{
groupBox2.Controls.Clear();
yaofan_Form p = new yaofan_Form();
p.TopLevel = false;
groupBox2.Controls.Add(p);
p.Show();
}
private void yaofangForm_Load(object sender, EventArgs e)
{
lbl.Add(((Label)label3));
lbl[0].Image = Image.FromFile(Application.StartupPath + "\\imag\\" + lbl[0].Tag);
groupBox2.Controls.Clear();
yaofan_Form p = new yaofan_Form();
p.TopLevel = false;
groupBox2.Controls.Add(p);
p.Show();
}