SignLanguageEducationSystem.SignBrowserPage.btnBack_Click C# (CSharp) Méthode

        private void btnBack_Click(object sender, RoutedEventArgs e)
        {
            if (this.Parent != null) {
                UIElementCollection children = ((Panel)this.Parent).Children;
                if (children.Contains(this)) {
                    children.Remove(this);
                }
            }
        }