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RasterFault Class
See Also  Members  
Leadtools.Services.Raster.FaultContracts Namespace : RasterFault Class



The RasterFault Class is available in LEADTOOLS Document and Medical Imaging toolkits.

The RasterFault class provides information about exceptions that occur on the client side.

Object Model

RasterFault Class

Syntax

Visual Basic (Declaration) 
<DataContractAttribute()>
Public Class RasterFault 
Visual Basic (Usage)Copy Code
Dim instance As RasterFault
C# 
[DataContractAttribute()]
public class RasterFault 
C++/CLI 
[DataContractAttribute()]
public ref class RasterFault 

Example

This example will show how to use RasterFault at the client side.

Visual BasicCopy Code
Public Sub RasterFaultExample()
      Dim client As EffectsProcessingServiceClient = New EffectsProcessingServiceClient()
      Dim sourceBinaryData As RawBinaryData = New RawBinaryData()
      sourceBinaryData.Data = File.ReadAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "image1.cmp"))

      Dim convertOptions As RasterConvertOptions = New RasterConvertOptions()

      convertOptions.Source = sourceBinaryData
      convertOptions.Destination = Nothing
      convertOptions.Format = RasterImageFormat.Bmp
      convertOptions.FirstPage = 1
      convertOptions.LastPage = 1
      convertOptions.BitsPerPixel = 24
      convertOptions.QualityFactor = 2

      Dim destBinaryData As RawBinaryData = Nothing
      Dim response As CommandResponse = Nothing
      Try
         Dim request As SharpenRequest = New SharpenRequest()

         request.ConvertOptions = convertOptions
         request.RegionData = Nothing
         request.Sharpness = 5000

         ' pass invalid argument
         response = client.Sharpen(request)
      Catch ex As FaultException
         Console.WriteLine(ex.Message)
      Finally
         If Not response Is Nothing Then
            If Not response.Destination Is Nothing Then
               If TypeOf response.Destination Is RawBinaryData Then
                  File.WriteAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "fault.bmp"), (TryCast(response.Destination, RawBinaryData)).Data)
               End If
            End If
         End If
      End Try

      client.Close()
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
C#Copy Code
public void RasterFaultExample()
   {
      EffectsProcessingServiceClient client = new EffectsProcessingServiceClient();
      RawBinaryData sourceBinaryData = new RawBinaryData();
      sourceBinaryData.Data = File.ReadAllBytes(Path.Combine(LEAD_VARS.ImagesDir,"image1.cmp"));

      RasterConvertOptions convertOptions = new RasterConvertOptions();

      convertOptions.Source = sourceBinaryData;
      convertOptions.Destination = null;
      convertOptions.Format = RasterImageFormat.Bmp;
      convertOptions.FirstPage = 1;
      convertOptions.LastPage = 1;
      convertOptions.BitsPerPixel = 24;
      convertOptions.QualityFactor = 2;

      RawBinaryData destBinaryData = null;
      CommandResponse response = null;
      try
      {
         SharpenRequest request = new SharpenRequest();

         request.ConvertOptions = convertOptions;
         request.RegionData = null;
         request.Sharpness = 5000;

         // pass invalid argument
         response = client.Sharpen(request);
      }
      catch (FaultException ex)
      {
         Console.WriteLine(ex.Message);
      }
      finally
      {
         if (response != null)
         {
            if (response.Destination != null)
            {
               if (response.Destination is RawBinaryData)
                  File.WriteAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "fault.bmp"), (response.Destination as RawBinaryData).Data);
            }
         }  
      }

      client.Close();
   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

Remarks

The RasterFault class defines an ErrorId and an ErrorMessage property that can be examined to determine the cause of an error.

Inheritance Hierarchy

System.Object
   Leadtools.Services.Raster.FaultContracts.RasterFault

Requirements

Target Platforms: Microsoft .NET Framework 3.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also

Applications developed with LEADTOOLS WCF components require runtime licenses. Server licensing is required for applications on a server. For more information, refer to: Imaging Pro/Document/Medical Features