Manages the text operations in this document viewer.
public DocumentViewerText Text { get; }
The DocumentViewerText object that manages the text operations in this document viewer.
This class manages the text operations of the current LEADDocument set in the document viewer. The text is treated as a read-only option and cannot be changed. The operations that can be performed includes selecting characters, words or lines using the mouse or touch, highlighting the selected text of the pages, performing free text search in the document using "find", "find next" and "find previous" and exporting the text as a simple string or to the clipboard.
Refer to DocumentViewerText for more information.
using Leadtools;using Leadtools.Controls;using Leadtools.Document;using Leadtools.Document.Viewer;using Leadtools.Codecs;using Leadtools.Caching;using Leadtools.Annotations.Engine;using Leadtools.Ocr;var text = _documentViewer.Text;// First check if we have text for this pagevar pageNumber = _documentViewer.CurrentPageNumber;if (!text.HasDocumentPageText(pageNumber)){// Get the texttext.GetDocumentPageText(pageNumber);// Show itvar value = text.ExportText(pageNumber);Console.WriteLine(value);}// Get the current documentvar document = _documentViewer.Document;// Get the page and the current view itemvar page = document.Pages[pageNumber - 1];// Create a rectangle that is the first half of the pagevar bounds = LeadRectD.Create(0, 0, page.Size.Width, page.Size.Height / 2);// SelectText requires the rectangle to be in control pixel coordinates, so convert. First to pixels ...bounds = document.RectToPixels(bounds).ToLeadRectD();// And then using the image viewer in the view to control. The item is the one at page number - 1var imageViewer = _documentViewer.View.ImageViewer;bounds = imageViewer.ConvertRect(imageViewer.Items[pageNumber - 1], ImageViewerCoordinateType.Image, ImageViewerCoordinateType.Control, bounds);// Select it, all linestext.SelectText(bounds.ToLeadRect(), DocumentViewerSelectTextMode.Line);// Now, check if we have any text selectedif (text.HasSelectedText(pageNumber)){// yes, show itvar value = text.GetSelectedText(pageNumber);Console.WriteLine(value);}