The exception that is thrown when an OCR error occurs.

Syntax

Visual Basic (Declaration)
<SerializableAttribute()> Public Class RasterDocumentException Inherits LeadtoolsException

Visual Basic (Usage)	Copy Code
`Dim instance As RasterDocumentException`

C#
[SerializableAttribute()] public class RasterDocumentException : LeadtoolsException

C++/CLI
[SerializableAttribute()] public ref class RasterDocumentException : public LeadtoolsException

Example

Visual Basic Copy Code

Visual Basic	Copy Code
Public Sub RasterDocumentExceptionExample() ' startup and shutdown the OCR engine Try Dim ocr As RasterDocumentEngine ocr = RasterDocumentEngine.Instance ocr.Startup() ' ... ocr.Shutdown() Catch ex As RasterDocumentException ' ocr error, show the code and message MessageBox.Show(String.Format("OCR Error.{0}Code: {1}{0}Message: {2}", Environment.NewLine, ex.Code, ex.Message)) Catch ex As Exception ' other errors MessageBox.Show(String.Format("General error: {0}", ex.Message)) End Try End Sub

Public Sub RasterDocumentExceptionExample()

   ' startup and shutdown the OCR engine



   Try

      Dim ocr As RasterDocumentEngine

      ocr = RasterDocumentEngine.Instance

      ocr.Startup()



      ' ...



      ocr.Shutdown()

   Catch ex As RasterDocumentException

      ' ocr error, show the code and message

      MessageBox.Show(String.Format("OCR Error.{0}Code: {1}{0}Message: {2}", Environment.NewLine, ex.Code, ex.Message))

   Catch ex As Exception

      ' other errors

      MessageBox.Show(String.Format("General error: {0}", ex.Message))

   End Try

End Sub

C# Copy Code

C#	Copy Code
public void RasterDocumentExceptionExample() { // startup and shutdown the OCR engine try { RasterDocumentEngine ocr; ocr = RasterDocumentEngine.Instance; ocr.Startup(); //... ocr.Shutdown(); } catch(RasterDocumentException ex) { // ocr error, show the code and message MessageBox.Show(string.Format("OCR Error.{0}Code: {1}{0}Message: {2}", Environment.NewLine, ex.Code, ex.Message)); } catch(Exception ex) { // other errors MessageBox.Show(string.Format("General error: {0}", ex.Message)); } }

public void RasterDocumentExceptionExample() 
{ 
   // startup and shutdown the OCR engine 
 
   try 
   { 
      RasterDocumentEngine ocr; 
      ocr = RasterDocumentEngine.Instance; 
      ocr.Startup(); 
 
      //... 
      ocr.Shutdown(); 
   } 
   catch(RasterDocumentException ex) 
   { 
      // ocr error, show the code and message 
      MessageBox.Show(string.Format("OCR Error.{0}Code: {1}{0}Message: {2}", Environment.NewLine, ex.Code, ex.Message)); 
   } 
   catch(Exception ex) 
   { 
      // other errors 
      MessageBox.Show(string.Format("General error: {0}", ex.Message)); 
   } 
}

Remarks

The RasterDocumentException class defines a Code property that you can examine to determine what caused the error.

Inheritance Hierarchy

System.Object
   System.Exception
      Leadtools.LeadtoolsException
         Leadtools.Document.RasterDocumentException

Requirements

Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family

Leadtools.Document	Deprecated as of v16. Refer to: Leadtools.Forms.Ocr \| Send comments on this topic. \| Back to Introduction - All Topics \| Help Version 16.5.9.25
RasterDocumentException Class
See Also Members Example

Syntax

Example

Remarks

Inheritance Hierarchy

Requirements

See Also

Reference