示例#1
0
        private void barButtonItem36_ItemClick(object sender, ItemClickEventArgs e)
        {
            opentab = 3;

            UserInfo frm = null;
            if ((frm = (UserInfo)IsFormAlreadyOpen(typeof(UserInfo))) == null)
            {
                frm = new UserInfo();
                frm.MdiParent = this;
                frm.Show();
            }
            else
            {
                frm.Select();
            }
         }