NeinTom.frmChat.AddTabPage C# (CSharp) Метод

        public void AddTabPage(TabPage tabPage)
        {
            tabControl.TabPages.Add (tabPage);
            tabControl.SelectedTab = tabPage;
            if (tabControl.TabCount > 1) {

                tabControl.ItemSize = new Size(125, 20);
                tabControl.SizeMode = TabSizeMode.Normal;
                tabControl.Appearance = TabAppearance.Normal;
            }
        }

 private void CreateForm()
 {
     if (this.InvokeRequired) {
         this.Invoke (new MethodInvoker(delegate() {
             CreateForm();
         }));
     }else{
         frmChat frm = new frmChat ();
         frm.AddTabPage (frm.CreateTabPage (room.Room));
         frm.Show ();
         chatForms.Add (room.Room.ID, frm);
     }
 }