Bend.MainWindow.CommandNew C# (CSharp) Method

        private void CommandNew(object sender, ExecutedRoutedEventArgs e)
        {
            if (this.currentTabIndex >= 0)
            {
                tab[this.currentTabIndex].Title.Opacity = 0.5;
                tab[this.currentTabIndex].TextEditor.Visibility = Visibility.Hidden;
            }

            this.AddNewTab();

            this.currentTabIndex = tab.Count - 1;
            tab[this.currentTabIndex].TextEditor.Focus();
        }