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ProgressEventArgs Class

Summary

Reports the progress for specific BankCheckReader operations and offers the user an opportunity to cancel them.

Syntax

C++

public class ProgressEventArgs : EventArgs

Public Class ProgressEventArgs  
   Inherits System.EventArgs

public ref class ProgressEventArgs : public System.EventArgs

Remarks

The ProgressEventArgs event is fired when processing a bank check, and returns the currently recognized field. For each recognized field a Processed event will be fired.

ProgressEventArgs event allows the user to cancel Process operation using the Cancel property

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Forms; 
using Leadtools.Forms.Ocr; 
using Leadtools.Forms.Commands; 
 
public void TestBankCheckReader() 
{ 
   // Initialize the RasterCodecs class 
   RasterCodecs codecs = new RasterCodecs(); 
 
   // Initialize the BankCheckReader class 
   BankCheckReader checkReader = new BankCheckReader(); 
 
   // The bank cheque image 
   string chequePath = Path.Combine(LEAD_VARS.ImagesDir, "BankCheck.jpg"); 
   RasterImage image = codecs.Load(chequePath); 
 
   IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Advantage, false); 
   ocrEngine.Startup(codecs, null, null, LEAD_VARS.OcrAdvantageRuntimeDir); 
   // Assign Engine to Reader 
   checkReader.OcrEngine = ocrEngine; 
 
   // handle Process Event 
   checkReader.Process += new EventHandler<ProgressEventArgs>(reader_Processed); 
 
   // Process Image 
   checkReader.ProcessImage(image); 
 
   ocrEngine.Shutdown(); 
} 
 
void reader_Processed(object sender, ProgressEventArgs e) 
{ 
   Console.WriteLine(string.Format("State      : {0}%", e.State)); 
   Console.WriteLine(string.Format("Percentage : {0}%", e.Percentage)); 
   Console.WriteLine(string.Format("FieldType  : {0}%", e.FieldType.ToString())); 
 
   if (e.State == ProcessState.Finish) 
   { 
      BankCheckReader reader = sender as BankCheckReader; 
      foreach (var value in reader.Results) 
      { 
         LeadRect bounds = value.Value.Bounds; 
         Console.WriteLine(string.Format("Field Name      : {0}", value.Key)); 
         Console.WriteLine(string.Format("Field Value     : {0}", value.Value.Text)); 
         Console.WriteLine(string.Format("Field Bounds    : {0},{0},{0},{0}", bounds.X.ToString(), bounds.Y.ToString(), bounds.Width.ToString(), bounds.Height.ToString())); 
         Console.WriteLine("************************************"); 
      } 
   } 
} 
 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
   public const string OcrAdvantageRuntimeDir = @"C:\LEADTOOLS 19\Bin\Common\OcrAdvantageRuntime"; 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.Forms 
Imports Leadtools.Forms.Ocr 
Imports Leadtools.Forms.Commands 
 
Public Sub TestBankCheckReader() 
   ' Initialize the RasterCodecs class 
   Dim codecs As New RasterCodecs() 
 
   ' Initialize the BankCheckReader class 
   Dim checkReader As New BankCheckReader() 
 
   ' The bank cheque image 
   Dim chequePath As String = Path.Combine(LEAD_VARS.ImagesDir, "BankCheck.jpg") 
   Dim image As RasterImage = codecs.Load(chequePath) 
 
   Using ocrEngine As IOcrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Advantage, False) 
      ocrEngine.Startup(Nothing, Nothing, Nothing, "C:\LEADTOOLS 19\Bin\Common\OcrAdvantageRuntime") 
      ' Assign Engine to Reader 
      checkReader.OcrEngine = ocrEngine 
 
      ' handle Process Event 
      AddHandler checkReader.Process, AddressOf reader_Processed 
 
      ' Process Image 
      checkReader.ProcessImage(image) 
   End Using 
End Sub 
 
Private Sub reader_Processed(sender As Object, e As ProgressEventArgs) 
   Console.WriteLine(String.Format("State      : {0}%", e.State)) 
   Console.WriteLine(String.Format("Percentage : {0}%", e.Percentage)) 
   Console.WriteLine(String.Format("FieldType  : {0}%", e.FieldType.ToString())) 
 
   If e.State = ProcessState.Finish Then 
      Dim reader As BankCheckReader = TryCast(sender, BankCheckReader) 
      If reader IsNot Nothing Then 
         For Each value As KeyValuePair(Of String, BankCheckField) In reader.Results 
            Dim bounds As LeadRect = value.Value.Bounds 
            Console.WriteLine(String.Format("Field Name      : {0}", value.Key)) 
            Console.WriteLine(String.Format("Field Value     : {0}", value.Value.Text)) 
            Console.WriteLine(String.Format("Field Bounds    : {0},{0},{0},{0}", bounds.X.ToString(), bounds.Y.ToString(), bounds.Width.ToString(), bounds.Height.ToString())) 
            Console.WriteLine("************************************") 
         Next 
      End If 
   End If 
End Sub 
 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class

Requirements

Target Platforms

Reference

ProgressEventArgs Members

Leadtools.Forms.Commands Namespace

Help Version 19.0.2017.10.27

Leadtools.Forms.Commands Assembly

Introduction

Getting Started

Namespaces

Leadtools.Forms.Commands Namespace

Assemblies