private void BtnCancel_Click(object sender, RoutedEventArgs e)
{
//SHOW THE BOOKREPLACE WINDOW
MiddleScreen middleScreen = new MiddleScreen(AchievementKind.BookReplace);
middleScreen.Show();
Close();
}
private void BtnBack_Click(object sender, RoutedEventArgs e)
{
//SHOW THE PREVIOUS WINDOW
MiddleScreen middleScreen = new MiddleScreen(kind);
middleScreen.Show();
middleScreen.Left = Left;
middleScreen.Top = Top;
Close();
}