private void roomAndTeacherLabel_MouseEnter(object sender, System.EventArgs e) { Label label = (Label)sender; label.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; String statusText = ""; if (_type == 3) { Teacher teacher = (Teacher)label.Tag; statusText = teacher.getTreeText(); } else { Room room = (Room)label.Tag; statusText = room.getStatusText(); } AppForm.getAppForm().getStatusBarPanel1().Text = statusText; }