void tb_MouseDown(object sender, MouseButtonEventArgs e)
{
Classroom c = (Classroom)((TextBlock)sender).Tag;
father.SetClassroom(c.cId);
this.Close();
}
private void TBclassroom_MouseDown(object sender, MouseButtonEventArgs e)
{
father.SetClassroom(rent.cId);
if (rent.Time.OnceActivity)
{
father.GotoDateClass(rent.Time.StartDate, rent.Time.StartClass);
}
this.Close();
}