示例#1
0
 private void списокСиМToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (f13 == null)
     {
         f13             = new Form13();
         f13.MdiParent   = this;
         f13.FormClosed += new FormClosedEventHandler(f13_FormClosed);
         f13.Show();
     }
     else
     {
         f13.Activate();
     }
 }