Bend.MainWindow.CommandSave C# (CSharp) Method

        private void CommandSave(object sender, ExecutedRoutedEventArgs e)
        {
            if (this.currentTabIndex >= 0)
            {
                try
                {
                    bool fileSaved = false;
                    if (this.tab[this.currentTabIndex].FullFileName != null)
                    {
                        this.tab[this.currentTabIndex].SaveFile(this.tab[this.currentTabIndex].FullFileName);
                        fileSaved = true;
                    }
                    else
                    {
                        SaveFileDialog dlg = new SaveFileDialog();
                        FileExtensions flex = new FileExtensions();
                        dlg.Filter = flex.GetFilterString();
                        if (this.currentTabIndex >= 0 && this.tab[this.currentTabIndex].FullFileName != null)
                        {
                            string initialDirectory = System.IO.Path.GetDirectoryName(this.tab[this.currentTabIndex].FullFileName);
                            if (initialDirectory != null && initialDirectory.Length != 0)
                            {
                                dlg.InitialDirectory = initialDirectory;
                            }
                        }

                        if (dlg.ShowDialog(this) ?? false)
                        {
                            this.tab[this.currentTabIndex].SaveFile(dlg.FileName);
                            fileSaved = true;
                        }
                    }
                    if (fileSaved)
                    {
                        this.SetStatusText("FILE SAVED");
                        System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
                        dispatcherTimer.Tick += new EventHandler(SaveDispatcherTimer_Tick);
                        dispatcherTimer.Interval = new TimeSpan(0, 0, 1);
                        dispatcherTimer.Start();
                    }
                }
                catch (Exception exception)
                {
                    StyledMessageBox.Show("ERROR", "Error Saving File" + exception.ToString());
                }
            }
        }