private void HighlightText(object sender, RoutedEventArgs e)
 {
     if (HourTextBox.IsFocused)
     {
         HourTextBox.SelectAll();
     }
     else if (MinTextBox.IsFocused)
     {
         MinTextBox.SelectAll();
     }
 }
        private void addSupplybtn_Click(object sender, RoutedEventArgs e)
        {
            int i1 = 0, i2 = 0;

            foreach (UIElement elem in SupplyAddGrid.Children)
            {
                TextBox textbox = new TextBox();
                if (elem is TextBox)
                {
                    textbox = elem as TextBox;
                    i1++;
                    if (textbox.Text != "" && !Validation.GetHasError(textbox))
                    {
                        i2++;
                    }
                }
            }
            if (i1 == i2 && namebox.Text != "" && datepicker.Text != "")
            {
                Supply supply = new Supply();
                supply.Company = namebox.Text;
                supply.Amount  = Convert.ToInt32(AmountTextBox.Text);
                supply.SupDate = Convert.ToDateTime(datepicker.Text + " " + HourTextBox.Text + ":" + MinuteTextBox.Text);
                db.Supplies.Add(supply);
                db.SaveChanges();
                MessageBox.Show("Добавлено!");
                namebox.Text = "";
                AmountTextBox.Clear();
                datepicker.Text = "";
                HourTextBox.Clear();
                MinuteTextBox.Clear();
            }
            else
            {
                MessageBox.Show("Неккоректные данные");
            }
        }
 private void AbortButton_Click(object sender, RoutedEventArgs e)
 {
     Process.Start("shutdown.exe", "-a");
     HourTextBox.Focus();
 }
 public MainWindow()
 {
     InitializeComponent();
     HourTextBox.Focus();
 }
 private void DayComboBoxSelectedIndexChanged(object sender, EventArgs e)
 {
     HourTextBox.Focus();
 }