HasSelectedText Method

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 page 
var pageNumber = _documentViewer.CurrentPageNumber; 
if (!text.HasDocumentPageText(pageNumber)) 
{ 
   // Get the text 
   text.GetDocumentPageText(pageNumber); 
 
   // Show it 
   var value = text.ExportText(pageNumber); 
   Console.WriteLine(value); 
} 
 
// Get the current document 
var document = _documentViewer.Document; 
// Get the page and the current view item 
var page = document.Pages[pageNumber - 1]; 
// Create a rectangle that is the first half of the page 
var 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 - 1 
var imageViewer = _documentViewer.View.ImageViewer; 
bounds = imageViewer.ConvertRect(imageViewer.Items[pageNumber - 1], ImageViewerCoordinateType.Image, ImageViewerCoordinateType.Control, bounds); 
// Select it, all lines 
text.SelectText(bounds.ToLeadRect(), DocumentViewerSelectTextMode.Line); 
 
// Now, check if we have any text selected 
if (text.HasSelectedText(pageNumber)) 
{ 
   // yes, show it 
   var value = text.GetSelectedText(pageNumber); 
   Console.WriteLine(value); 
}