Public Class InvertedTextCommandEventArgs 
   Inherits System.EventArgs

Dim instance As InvertedTextCommandEventArgs

public class InvertedTextCommandEventArgs : System.EventArgs 

public ref class InvertedTextCommandEventArgs : public System.EventArgs 

Public WithEvents invertedTextCommand_S4 As InvertedTextCommand
Public Sub InvertedTextCommandEventArgsExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif"))

   ' Prepare the command
   invertedTextCommand_S4 = New InvertedTextCommand(InvertedTextCommandFlags.UseDpi Or InvertedTextCommandFlags.CallBackRegion, 5000, 500, 70, 95)
   invertedTextCommand_S4.Run(leadImage)

End Sub

Private Sub InvertedTextCommand_InvertedText_S4(ByVal sender As Object, ByVal e As InvertedTextCommandEventArgs) Handles invertedTextCommand_S4.InvertedText
   Dim ee As InvertedTextCommandEventArgs = New InvertedTextCommandEventArgs(e.Image, e.Region, e.BoundingRectangle, e.WhiteCount, e.BlackCount)
   e.Status = RemoveStatus.Remove
   If Not (e.Region Is Nothing) Then
      e.Image.SetRegion(Nothing, e.Region, RasterRegionCombineMode.AndNotRegion)
   End If
End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

public void InvertedTextCommandEventArgsExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif"));

      // Prepare the command
      InvertedTextCommand command = new InvertedTextCommand( InvertedTextCommandFlags.UseDpi | InvertedTextCommandFlags.CallBackRegion, 5000, 500, 70, 95);
      command.InvertedText += new EventHandler<InvertedTextCommandEventArgs>(InvertedTextEvent_S4);
      command.Run(image);

   }

   private void InvertedTextEvent_S4(object sender, InvertedTextCommandEventArgs e)
   {
      InvertedTextCommandEventArgs ee = new InvertedTextCommandEventArgs(e.Image, e.Region, e.BoundingRectangle, e.WhiteCount, e.BlackCount);
      e.Status = RemoveStatus.Remove;

      if(e.Region != null)
      {
         e.Image.SetRegion(null, e.Region, RasterRegionCombineMode.AndNotRegion);
      }
   }

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

public void InvertedTextCommandEventArgsExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   InvertedTextCommand command = new InvertedTextCommand( InvertedTextCommandFlags.UseDpi | InvertedTextCommandFlags.CallBackRegion, 5000, 500, 70, 95);
   command.InvertedText += new EventHandler<InvertedTextCommandEventArgs>(InvertedTextEvent_S4);
   command.Run(image);
   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1);
   image.Dispose();
}

private void InvertedTextEvent_S4(object sender, InvertedTextCommandEventArgs e)
{
   InvertedTextCommandEventArgs ee = new InvertedTextCommandEventArgs(e.Image, null, e.BoundingRectangle, e.WhiteCount, e.BlackCount);
   e.Status = RemoveStatus.Remove;
}

Public Sub InvertedTextCommandEventArgsExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As InvertedTextCommand = New InvertedTextCommand(InvertedTextCommandFlags.UseDpi Or InvertedTextCommandFlags.CallBackRegion, 5000, 500, 70, 95)
   AddHandler command.InvertedText, AddressOf InvertedTextEvent_S4
   command.Run(image)
   ' Save result image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1)
   image.Dispose()
End Sub

Private Sub InvertedTextEvent_S4(ByVal sender As Object, ByVal e As InvertedTextCommandEventArgs)
   Dim ee As InvertedTextCommandEventArgs = New InvertedTextCommandEventArgs(e.Image, Nothing, e.BoundingRectangle, e.WhiteCount, e.BlackCount)
   e.Status = RemoveStatus.Remove
End Sub