←Select platform

Run(Uri,List<IMasterFormsCategory>) Method

Automatically recognizes the unknown form then it processes its fields.
Public Overloads Function Run( _ 
   ByVal url As Uri, _ 
   ByVal categories As List(Of IMasterFormsCategory) _ 
) As AutoFormsRunResult 
public AutoFormsRunResult run( 
AutoFormsRunResult^ Run(  
   Uri^ url, 
   List<IMasterFormsCategory^>^ categories 


A System.Uri containing the unknown form image data.

List of Master Forms categories to use in comparison, pass null or empty to use all Master Forms in the repository.

Return Value

Returns the results of the recognition and processing if the form is recognized, otherwise it returns null. If the Master Form has no processing field, AutoFormsRunResult.FormFields will be null.


This method automatically recognizes the unknown form and process its fields at the same time.

The url should have all form pages.

If RecognizeFirstPageOnly is true, the recognition will be performed based on the first page only, if it is false the recognition will be performed over all the form pages.

If the form is not recognized it will return null, if the Master Form of the url type has no field then AutoFormsRunResult.FormFields will be null.

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Forms.Common; 
using Leadtools.Forms.Auto; 
using Leadtools.Ocr; 
using Leadtools.Forms.Recognition; 
using Leadtools.Forms.Processing; 
using Leadtools.Barcode; 
public void AutoFormRunUri() 
   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, AutoFormsRecognitionManager.Ocr | AutoFormsRecognitionManager.Default, 30, 80, true); 
      Uri url = new Uri(Path.Combine(LEAD_VARS.ImagesDir, @"Forms\Forms to be Recognized\OCR\FCC-107_OCR_Filled.tif")); 
      //recognize and process the form 
      AutoFormsRunResult result = autoEngine.Run(url, null); 
      if (result == null) 
static class LEAD_VARS 
   public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images"; 
   public const string OcrLEADRuntimeDir = @"C:\LEADTOOLS21\Bin\Common\OcrLEADRuntime"; 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.Forms.Common 
Imports Leadtools.Forms.Auto 
Imports Leadtools.Ocr 
Imports Leadtools.Forms.Recognition 
Imports Leadtools.Forms.Processing 
Imports Leadtools.Barcode 
Public Sub AutoFormRunUri() 
   Dim root As String = Path.Combine(LEAD_VARS.ImagesDir, "Forms\FormsDemo\OCR_Test") 
   Dim codecs_Renamed As RasterCodecs = New RasterCodecs() 
   'create repository 
   Dim repository As DiskMasterFormsRepository = New DiskMasterFormsRepository(codecs_Renamed, root) 
   Using ocrEngine As IOcrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD) 
      ocrEngine.Startup(Nothing, Nothing, Nothing, LEAD_VARS.OcrLEADRuntimeDir) 
      Dim engineBarcode As BarcodeEngine = New BarcodeEngine() 
      'create AutoForm Engine 
      Dim autoEngine As AutoFormsEngine = New AutoFormsEngine(repository, ocrEngine, engineBarcode, AutoFormsRecognitionManager.Ocr Or AutoFormsRecognitionManager.Default, 30, 80, True) 
      Dim url As Uri = New Uri(Path.Combine(LEAD_VARS.ImagesDir, "Forms\Images\FCC-107_OCR_Filled.tif")) 
      'recognize and process the form 
      Dim result As AutoFormsRunResult = autoEngine.Run(url, Nothing) 
      If result Is Nothing Then 
      End If 
   End Using 
End Sub 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images" 
   Public Const OcrLEADRuntimeDir As String = "C:\LEADTOOLS21\Bin\Common\OcrLEADRuntime" 
End Class 

Target Platforms

Help Version 21.0.2021.6.30
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Forms.Auto Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.