Overloads Public Shared Sub AddRegionToRegion( _
   ByVal image As RasterImage, _
   ByVal xform As RasterRegionXForm, _
   ByVal region As Region, _
   ByVal combineMode As RasterRegionCombineMode _
) 

Dim image As RasterImage
Dim xform As RasterRegionXForm
Dim region As Region
Dim combineMode As RasterRegionCombineMode
 
RasterRegionConverter.AddRegionToRegion(image, xform, region, combineMode)

public static void AddRegionToRegion( 
   RasterImage image,
   RasterRegionXForm xform,
   Region region,
   RasterRegionCombineMode combineMode
)

public:
static void AddRegionToRegion( 
   RasterImage^ image,
   RasterRegionXForm^ xform,
   Region^ region,
   RasterRegionCombineMode combineMode
) 

Public Sub AddRegionToRegionGdip_Example()
   Dim codecs As New RasterCodecs()

   Dim srcFileName As String = LeadtoolsExamples.Common.ImagesPath.Path + "Image1.cmp"
   Dim destFileName1 As String = LeadtoolsExamples.Common.ImagesPath.Path + "Image1_ConvertToRegion.bmp"
   Dim destFileName2 As String = LeadtoolsExamples.Common.ImagesPath.Path + "Image1_AddRegionToRegion.bmp"

   ' Load the image
   Dim image As RasterImage = codecs.Load(srcFileName)

   ' Add an ellipse inside a rectangle region to the image

   Dim rc As New LeadRect(image.Width \ 3, image.Height \ 3, image.Width \ 3, image.Height \ 3)
   image.AddEllipseToRegion(Nothing, rc, RasterRegionCombineMode.Set)

   ' Create a GDI+ image from this raster image, then obtain a Graphics
   ' object to the GDI+ image, apply the region to it then fill it with red color
   Dim region As Region

   Using gdiPlusImage As Image = RasterImageConverter.ConvertToImage(image, ConvertToImageOptions.None)
      Using graphics As Graphics = graphics.FromImage(gdiPlusImage)
         Using rasterRegion As RasterRegion = image.GetRegion(Nothing)
            region = RasterRegionConverter.ConvertToRegion(rasterRegion, Nothing)
            graphics.Clip = region

            ' This call should only fill the ellipse
            graphics.FillRectangle(Brushes.Red, 0, 0, image.Width, image.Height)
         End Using
      End Using

      gdiPlusImage.Save(destFileName1, ImageFormat.Bmp)
   End Using

   ' Empty the region in the raster image and re-add it through the
   ' region object we got with AddRegionToRegion
   image.MakeRegionEmpty()

   RasterRegionConverter.AddRegionToRegion(image, Nothing, region, RasterRegionCombineMode.Set)
   Dim command As New FillCommand()
   command.Color = RasterColor.FromKnownColor(RasterKnownColor.Red)
   command.Run(image)
   codecs.Save(image, destFileName2, RasterImageFormat.Bmp, 24)

   region.Dispose()
   image.Dispose()
   codecs.Dispose()
End Sub

public void AddRegionToRegionGdip_Example()
   {
      RasterCodecs codecs = new RasterCodecs();

      string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
      string destFileName1 = Path.Combine(LEAD_VARS.ImagesDir, "Image1_ConvertToRegion.bmp");
      string destFileName2 = Path.Combine(LEAD_VARS.ImagesDir, "Image1_AddRegionToRegion.bmp");

      // Load the image
      RasterImage image = codecs.Load(srcFileName);

      // Add an ellipse inside a rectangle region to the image

      LeadRect rc = new LeadRect(image.Width / 3, image.Height / 3, image.Width / 3, image.Height / 3);
      image.AddEllipseToRegion(null, rc, RasterRegionCombineMode.Set);

      // Create a GDI+ image from this raster image, then obtain a Graphics
      // object to the GDI+ image, apply the region to it then fill it with red color
      Region region;

      using(Image gdiPlusImage = RasterImageConverter.ConvertToImage(image, ConvertToImageOptions.None))
      {
         using(Graphics graphics = Graphics.FromImage(gdiPlusImage))
         {
            using(RasterRegion rasterRegion = image.GetRegion(null))
            {
               region = RasterRegionConverter.ConvertToRegion(rasterRegion, null);
               graphics.Clip = region;

               // This call should only fill the ellipse
               graphics.FillRectangle(Brushes.Red, 0, 0, image.Width, image.Height);
            }
         }

         gdiPlusImage.Save(destFileName1, ImageFormat.Bmp);
      }

      // Empty the region in the raster image and re-add it through the
      // region object we got with AddRegionToRegion
      image.MakeRegionEmpty();

      RasterRegionConverter.AddRegionToRegion(image, null, region, RasterRegionCombineMode.Set);
      FillCommand command = new FillCommand();
      command.Color = RasterColor.FromKnownColor(RasterKnownColor.Red);
      command.Run(image);
      codecs.Save(image, destFileName2, RasterImageFormat.Bmp, 24);

      region.Dispose();
      image.Dispose();
      codecs.Dispose();
   }

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