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UserData Property

Summary
Gets user-defined data of the PageRequestCallback.

Syntax
C#
C++/CLI
Java
Python
public object UserData { get; } 
public java.lang.Object getUserData(); 
public: 
property Object^ UserData { 
   Object^ get(); 
} 
UserData # get  (PageRequestCallbackData) 

Property Value

The user-defined data of the PageRequestCallback.

Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Forms.Common; 
using Leadtools.Forms.Auto; 
using Leadtools.Document; 
using Leadtools.Ocr; 
using Leadtools.Forms.Recognition; 
using Leadtools.Forms.Processing; 
using Leadtools.Barcode; 
 
using Leadtools.Forms; 
 
public RasterCodecs Codecs; 
public string FormFileName; 
 
public void MyPageRequestCallback(PageRequestCallbackData data) 
{ 
   data.Page = Codecs.Load(FormFileName, 1, CodecsLoadByteOrder.Bgr, data.FormPageNumber, data.FormPageNumber); 
} 
public void AutoFormRunAutomatic() 
{ 
   string root = Path.Combine(LEAD_VARS.ImagesDir, @"Forms\FormsDemo\OCR_Test"); 
   RasterCodecs codecs = new RasterCodecs(); 
   //create repository 
   DiskMasterFormsRepository repository = new DiskMasterFormsRepository(codecs, root); 
 
   using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD)) 
   { 
      ocrEngine.Startup(null, null, null, LEAD_VARS.OcrLEADRuntimeDir); 
      BarcodeEngine barcodeEngine = new BarcodeEngine(); 
 
      //create AutoForm Engine 
      AutoFormsEngine autoEngine = new AutoFormsEngine(repository, ocrEngine, barcodeEngine); 
      //set the flag to process the first page only 
      autoEngine.RecognizeFirstPageOnly = true; 
      autoEngine.MinimumConfidenceKnownForm = 40; 
      //calculate the minimum confidence recognized form according to the correlation between the master forms in the repository 
      autoEngine.MinimumConfidenceRecognized = autoEngine.GetMinimumRecognizedConfidenceForm(); 
 
      Codecs = codecs; 
      FormFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Forms\Forms to be Recognized\OCR\FCC-107_OCR_Filled.tif"); 
      //load the first page of the image 
      RasterImage form = codecs.Load(FormFileName, 1, CodecsLoadByteOrder.Bgr, 1, 1); 
      //recognize and process the form 
      AutoFormsRunResult result = autoEngine.Run(form, MyPageRequestCallback, null, null); 
      if (result == null) 
         return; 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
   public const string OcrLEADRuntimeDir = @"C:\LEADTOOLS23\Bin\Common\OcrLEADRuntime"; 
} 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Forms.Auto Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.