WPF 流打印

原文:WPF 流打印

            PrintDialog printDialog = new PrintDialog();

            if (printDialog.ShowDialog() ==  true)

            {

                System.Printing.PrintCapabilities capabilities = printDialog.PrintQueue.GetPrintCapabilities(printDialog.PrintTicket);

                // double scale = Math.Min(capabilities.PageImageableArea.ExtentWidth / myscrollvier.ActualWidth, capabilities.PageImageableArea.ExtentHeight /

                //myscrollvier.ActualHeight);

                var x1 = flowDocument.PageWidth;

                var x2 = flowDocument.PageHeight;

                flowDocument.PageHeight = capabilities.PageImageableArea.ExtentHeight;

                flowDocument.PageWidth = capabilities.PageImageableArea.ExtentWidth;

                printDialog.PrintDocument(((IDocumentPaginatorSource)flowDocument).DocumentPaginator, "Flow Document Print Job");

                flowDocument.PageHeight = x2;

                flowDocument.PageWidth = x1;

            }

        private void Button_Click(object sender, RoutedEventArgs e)

        {

            PrintDialog printDialog = new PrintDialog();

            if (printDialog.ShowDialog() ==  true)

            {

                System.Printing.PrintCapabilities capabilities = printDialog.PrintQueue.GetPrintCapabilities(printDialog.PrintTicket);

                // double scale = Math.Min(capabilities.PageImageableArea.ExtentWidth / myscrollvier.ActualWidth, capabilities.PageImageableArea.ExtentHeight /

                //myscrollvier.ActualHeight);

                var x1 = flowDocument.PageWidth;

                var x2 = flowDocument.PageHeight;

                flowDocument.PageHeight = capabilities.PageImageableArea.ExtentHeight;

                flowDocument.PageWidth = capabilities.PageImageableArea.ExtentWidth;

                printDialog.PrintDocument(((IDocumentPaginatorSource)flowDocument).DocumentPaginator, "Flow Document Print Job");

                flowDocument.PageHeight = x2;

                flowDocument.PageWidth = x1;

            }

        }