Gets or sets a value to determine how to center the image vertically in the print page.
public RasterPaintAlignMode VerticalAlignMode { get; set; }
An Leadtools.RasterPaintAlignMode enumeration value that determine how to center the image vertically in the print page.
using Leadtools.WinForms;using Leadtools;using Leadtools.Codecs;// The image we are printingprivate RasterImage myImage = null;// The current page number being printedprivate int currentPrintPageNumber;public void RasterImagePrinterExample(){// Check if there are printers installed on this machineif (PrinterSettings.InstalledPrinters == null || PrinterSettings.InstalledPrinters.Count < 1){MessageBox.Show("There are no printers installed on this machine");return;}// Load the imageusing (RasterCodecs codecs = new RasterCodecs()){this.myImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Ocr1.tif"));}// Create the print document objectusing (PrintDocument document = new PrintDocument()){// Setup the document pagesdocument.PrinterSettings.MinimumPage = 1;document.PrinterSettings.MaximumPage = this.myImage.PageCount;document.PrinterSettings.FromPage = 1;document.PrinterSettings.ToPage = this.myImage.PageCount;DialogResult result = DialogResult.OK;// Select the printerusing (PrintDialog printDlg = new PrintDialog()){printDlg.Document = document;printDlg.AllowSomePages = true;result = printDlg.ShowDialog();}// Setup the pageif (result == DialogResult.OK){using (PageSetupDialog pageSetupDlg = new PageSetupDialog()){pageSetupDlg.Document = document;pageSetupDlg.ShowDialog();}}if (result == DialogResult.OK){// Add handlers for Begin/Print and End print eventsdocument.BeginPrint += new PrintEventHandler(document_BeginPrint);document.PrintPage += new PrintPageEventHandler(document_PrintPage);document.EndPrint += new PrintEventHandler(document_EndPrint);// Use the .NET print preview dialogusing (PrintPreviewDialog printPreviewDlg = new PrintPreviewDialog()){printPreviewDlg.Document = document;printPreviewDlg.WindowState = FormWindowState.Maximized;result = printPreviewDlg.ShowDialog();}}}// Clean upthis.myImage.Dispose();}private void document_BeginPrint(object sender, PrintEventArgs e){// Reset the current page number// Since we are using the print preview dialog, this event will be called twice (once// to generate the print preview and once for actual printing). So, we must set this back// to the first print pagePrintDocument document = sender as PrintDocument;this.currentPrintPageNumber = document.PrinterSettings.FromPage;}private void document_EndPrint(object sender, PrintEventArgs e){// Nothing to do here}private void document_PrintPage(object sender, PrintPageEventArgs e){// Get the print document objectPrintDocument document = sender as PrintDocument;// Create an new LEADTOOLS image printer classRasterImagePrinter printer = new RasterImagePrinter();// Set the document object so page calculations can be performedprinter.PrintDocument = document;// We want to fit and center the image into the maximum print areaprinter.SizeMode = RasterPaintSizeMode.FitAlways;printer.HorizontalAlignMode = RasterPaintAlignMode.Center;printer.VerticalAlignMode = RasterPaintAlignMode.Center;// Account for FAX images that may have different horizontal and vertical resolutionprinter.UseDpi = true;// Print the whole imageprinter.ImageRectangle = Rectangle.Empty;// Use maximum page dimension ignoring the margins, this will be equivalant of printing// using Windows Photo Galleryprinter.PageRectangle = RectangleF.Empty;printer.UseMargins = false;// Print the current pageprinter.Print(this.myImage, this.currentPrintPageNumber, e);// Go to the next pagethis.currentPrintPageNumber++;// Inform the printer whether we have more pages to printif (this.currentPrintPageNumber <= document.PrinterSettings.ToPage)e.HasMorePages = true;elsee.HasMorePages = false;// De-couple our PrintDocument from the RasterImagePrinterprinter.PrintDocument = null;}static class LEAD_VARS{public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";}