private void Button_Click_4(object sender, RoutedEventArgs e)
        {
            chooseUserTypeWindow1 chooseUserTypeWindow = new chooseUserTypeWindow1();

            chooseUserTypeWindow.WindowStartupLocation = WindowStartupLocation.Manual;
            chooseUserTypeWindow.Left = this.Left;
            chooseUserTypeWindow.Top  = this.Top;
            chooseUserTypeWindow.Show();
            this.Close();
        }
        private void BtnPercenter_click(object sender, RoutedEventArgs e)
        {
            chooseUserTypeWindow1 chooseUserTypeWindow = new chooseUserTypeWindow1();

            //loginWindow.Show();
            chooseUserTypeWindow.WindowStartupLocation = WindowStartupLocation.Manual;
            chooseUserTypeWindow.Left = this.Left;
            chooseUserTypeWindow.Top  = this.Top;
            chooseUserTypeWindow.Show();
            this.Close();
        }