<SerializableAttribute()>
Public Class RasterException 
   Inherits LeadtoolsException
   Implements _Exception, ISerializable 

Dim instance As RasterException

[SerializableAttribute()]
public class RasterException : LeadtoolsException, _Exception, ISerializable  

[SerializableAttribute()]
public ref class RasterException : public LeadtoolsException, _Exception, ISerializable  

Public Sub Example()
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   ' Prompt the user for an image
   Dim dlg As OpenFileDialog = New OpenFileDialog()
   dlg.Filter = "All Files|*.*"
   If dlg.ShowDialog() = DialogResult.OK Then
      ' Try to load this image
      Try
         Dim img As RasterImage = codecs.Load(dlg.FileName)
         MessageBox.Show(String.Format("Image in file {0} is loaded", dlg.FileName))
         img.Dispose()
      Catch ex As RasterException
         ' See if LEADTOOLS could not recognize this image format
         If ex.Code = RasterExceptionCode.FileFormat Then
            MessageBox.Show(String.Format("File {0} does not contain an image format recognizable by LEADTOOLS", dlg.FileName))
         Else
            ' Other LEADTOOLS error (file might be corrupted, read error, etc)
            MessageBox.Show(String.Format("Could not load the file {0}.{1}Leadtools code: {2}{1}Message: {3}", dlg.FileName, Environment.NewLine, ex.Code, ex.Message))
         End If
      Catch ex As Exception
         ' Other errors
         MessageBox.Show(String.Format("Could not load the file {0}.{1}{2}", dlg.FileName, Environment.NewLine, ex.Message))
      End Try
   End If
End Sub

public void Example()
{
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;

   // Prompt the user for an image
   OpenFileDialog dlg = new OpenFileDialog();
   dlg.Filter = "All Files|*.*";
   if(dlg.ShowDialog() == DialogResult.OK)
   {
      // Try to load this image
      try
      {
         RasterImage img = codecs.Load(dlg.FileName);
         MessageBox.Show(string.Format("Image in file {0} is loaded", dlg.FileName));
         img.Dispose();
      }
      catch(RasterException ex)
      {
         // See if LEADTOOLS could not recognize this image format
         if(ex.Code == RasterExceptionCode.FileFormat)
            MessageBox.Show(string.Format("File {0} does not contain an image format recognizable by LEADTOOLS", dlg.FileName));
         else
         {
            // Other LEADTOOLS error (file might be corrupted, read error, etc)
            MessageBox.Show(string.Format("Could not load the file {0}.{1}Leadtools code: {2}{1}Message: {3}", dlg.FileName, Environment.NewLine, ex.Code, ex.Message));
         }
      }
      catch(Exception ex)
      {
         // Other errors
         MessageBox.Show(string.Format("Could not load the file {0}.{1}{2}", dlg.FileName, Environment.NewLine, ex.Message));
      }
   }
}

public void Example()
{
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   // Prompt the user for an image
   OpenFileDialog dlg = new OpenFileDialog();
   dlg.Filter = "All Files|*.*";
   if(dlg.ShowDialog() == true)
   {
      // Try to load this image
      try
      {
         using (FileStream fs = dlg.File.OpenRead())
         {
            RasterImage img = codecs.Load(fs);
            MessageBox.Show(string.Format("Image in file {0} is loaded", dlg.File.FullName));
            img.Dispose();
         }
      }
      catch(RasterException ex)
      {
         // See if LEADTOOLS could not recognize this image format
         if(ex.Code == RasterExceptionCode.FileFormat)
            MessageBox.Show(string.Format("File {0} does not contain an image format recognizable by LEADTOOLS", dlg.File.FullName));
         else
         {
            // Other LEADTOOLS error (file might be corrupted, read error, etc)
            MessageBox.Show(string.Format("Could not load the file {0}.{1}Leadtools code: {2}{1}Message: {3}", dlg.File.FullName, Environment.NewLine, ex.Code, ex.Message));
         }
      }
      catch(Exception ex)
      {
         // Other errors
         MessageBox.Show(string.Format("Could not load the file {0}.{1}{2}", dlg.File.FullName, Environment.NewLine, ex.Message));
      }
   }
}

Public Sub Example()
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   ' Prompt the user for an image
   Dim dlg As OpenFileDialog = New OpenFileDialog()
   dlg.Filter = "All Files|*.*"
   If dlg.ShowDialog() = True Then
      ' Try to load this image
      Try
         Using fs As FileStream = dlg.File.OpenRead()
            Dim img As RasterImage = codecs.Load(fs)
            MessageBox.Show(String.Format("Image in file {0} is loaded", dlg.File.FullName))
            img.Dispose()
         End Using
      Catch ex As RasterException
         ' See if LEADTOOLS could not recognize this image format
         If ex.Code = RasterExceptionCode.FileFormat Then
            MessageBox.Show(String.Format("File {0} does not contain an image format recognizable by LEADTOOLS", dlg.File.FullName))
         Else
            ' Other LEADTOOLS error (file might be corrupted, read error, etc)
            MessageBox.Show(String.Format("Could not load the file {0}.{1}Leadtools code: {2}{1}Message: {3}", dlg.File.FullName, Environment.NewLine, ex.Code, ex.Message))
         End If
      Catch ex As Exception
         ' Other errors
         MessageBox.Show(String.Format("Could not load the file {0}.{1}{2}", dlg.File.FullName, Environment.NewLine, ex.Message))
      End Try
   End If
End Sub