private void Login_button_Click(object sender, RoutedEventArgs e)
 {
     Backend.Addlogs("The Login button was clicked");
     if (HashingAlgorihtm.login(username_textbox.Text, PasswordBox.Password) == true)
     {
         this.Close();
         //Menu_encrypting_window menu = new Menu_encrypting_window();
         //menu.Show();
         Backend.Addlogs("The User was logged in");
     }
     else
     {
         MessageBox.Show("Wrong Details were entered");
         Backend.Addlogs("The User enetered wrong details");
     }
 }