private void ShowTeacherLessons()
{
if (_teacherLessonsFormOpened)
{
TeacherLessons.Activate();
TeacherLessons.Focus();
return;
}
TeacherLessons = new LessonListByTeacher(Repo);
_teacherLessonsFormOpened = true;
TeacherLessons.Show();
_teacherLessonsFormOpened = false;
}
private void LessonListByTeacher_Click(object sender, EventArgs e)
{
var lessonListByTeacherForm = new LessonListByTeacher(Repo);
lessonListByTeacherForm.Show();
}