private void ButtonExport_Click(object sender, RoutedEventArgs e)
        {
            this.textProgressInformation.Text = "Document exportation started...";

            this.progressScrollViewer.ScrollToBottom();

            Microsoft.Win32.SaveFileDialog saveFileDialog = new Microsoft.Win32.SaveFileDialog();

            saveFileDialog.Filter = "XPS files (*.xps)|*.xps|All files (*.*)|*.*";

            bool jobCompleted = false;

            if (saveFileDialog.ShowDialog().GetValueOrDefault())
            {
                Size size = new Size(8.5d * 96.0d, 11.0d * 96.0d);

                m_printButton.IsEnabled  = false;
                m_exportButton.IsEnabled = false;
                try
                {
                    jobCompleted = GridDetails.ExportToXps(saveFileDialog.FileName,
                                                           size, new Rect(size),
                                                           new PageRange(1, 0), CompressionOption.Normal,
                                                           new EventHandler <ProgressEventArgs>(this.ProgressionCallBack), true);
                }
                catch (System.IO.IOException)
                {
                    jobCompleted = false;
                }
                finally
                {
                    m_printButton.IsEnabled  = true;
                    m_exportButton.IsEnabled = true;
                }
            }

            if (jobCompleted)
            {
                this.textProgressInformation.Text += "\n...Completed.";
            }
            else
            {
                this.textProgressInformation.Text += "\n...Canceled.";
            }

            this.progressScrollViewer.ScrollToBottom();
        }