Public Class RegionContourPointsCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements IRasterCommand 

Dim instance As RegionContourPointsCommand

public class RegionContourPointsCommand : Leadtools.ImageProcessing.RasterCommand, IRasterCommand  

public ref class RegionContourPointsCommand : public Leadtools.ImageProcessing.RasterCommand, IRasterCommand  

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

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

   ' Prepare the command
   Dim rcRect As LeadRect = New LeadRect(leadImage.Width \ 3, leadImage.Height \ 3, leadImage.Width * 2 \ 3, leadImage.Height * 2 \ 3)
   leadImage.AddEllipseToRegion(Nothing, rcRect, RasterRegionCombineMode.Set)
   Dim command As RegionContourPointsCommand = New RegionContourPointsCommand(Nothing)
   command.Run(leadImage)
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24)

End Sub

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

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

      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));

      // Prepare the command
      LeadRect rcRect = new LeadRect(image.Width/3, image.Height/3, image.Width*2/3, image.Height*2/3);
      image.AddEllipseToRegion(null, rcRect, RasterRegionCombineMode.Set);
      RegionContourPointsCommand command = new RegionContourPointsCommand(null);
      command.Run(image);
      codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);

   }

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