Refresh Method

Summary

Updates the repository with the latest modifications and changes that have occurred to the Master Forms in the storage site.

Syntax

C++/CLI

Java

Python

public void Refresh()

public void refresh();

public: 
void Refresh();

def Refresh(self):

Remarks

The source code for this interface implementation class is available at <INSTALLDIR>\Examples\Forms\DotNet\AutoMasterFormsRepository.

Updates the repository with the latest modifications and changes that have occurred to the Master Forms and sub-categories on the local disk.

You must call Refresh when a Master Form is deleted/added or a category is deleted/added without using Leadtools.Forms.Auto.

Example

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 void MasterFormGeneratioAndUpdate() 
{ 
   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); 
 
      repository.Refresh(); 
 
      UpdateMasters(repository.RootCategory, autoEngine); 
   } 
} 
 
public void UpdateMasters(IMasterFormsCategory category, AutoFormsEngine autoEngine) 
{ 
   foreach (IMasterForm master in category.MasterForms) 
   { 
      RasterImage form = master.ReadForm(); 
      FormRecognitionAttributes attributes = autoEngine.GenerateMasterFormAttributes(form, "New" + master.Name, Guid.Empty, null, null); 
      category.DeleteMasterForm(master); 
      category.AddMasterForm(attributes, master.ReadFields(), form); 
   } 
 
   foreach (IMasterFormsCategory childCategory in category.ChildCategories) 
   { 
      UpdateMasters(childCategory, autoEngine); 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
   public const string OcrLEADRuntimeDir = @"C:\LEADTOOLS23\Bin\Common\OcrLEADRuntime"; 
}