public LoginPanelBack(LoginPanel form, string position) { InitializeComponent(); loginForm = form; mode = "normal"; if (position == "top") { BackgroundImage = Properties.Resources.bt_LoginPanel3DTop; TransparencyKey = Color.Black; } else if (position == "bottom") { BackgroundImage = Properties.Resources.bt_LoginPanel3DBottom; TransparencyKey = Color.Black; } FormBorderStyle = FormBorderStyle.None; }