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

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

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

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

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

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

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

   ' Create a GDI+ region
   Dim region As Region

   Using path As New GraphicsPath()
      path.AddRectangle(New Rectangle(100, 100, 200, 200))
      path.AddEllipse(New Rectangle(150, 150, 200, 200))
      region = New Region(path)
   End Using

   ' Get the Windows GDI handle for this region
   Dim hrgn As IntPtr

   Using btmp As New Bitmap(1, 1)
      Using graphics As Graphics = graphics.FromImage(btmp)
         hrgn = region.GetHrgn(graphics)
      End Using
   End Using

   ' Add this region to the raster image
   RasterRegionConverter.AddRegionToRegion(image, Nothing, hrgn, RasterRegionCombineMode.Set)

   region.ReleaseHrgn(hrgn)
   region.Dispose()

   ' Draw something on the image
   Dim command As New InvertCommand()
   command.Run(image)

   ' Save the image
   codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24)

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

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

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

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

      // Create a GDI+ region
      Region region;

      using(GraphicsPath path = new GraphicsPath())
      {
         path.AddRectangle(new Rectangle(100, 100, 200, 200));
         path.AddEllipse(new Rectangle(150, 150, 200, 200));
         region = new Region(path);
      }

      // Get the Windows GDI handle for this region
      IntPtr hrgn;

      using(Bitmap btmp = new Bitmap(1, 1))
      {
         using(Graphics graphics = Graphics.FromImage(btmp))
         {
            hrgn = region.GetHrgn(graphics);
         }
      }

      // Add this region to the raster image
      RasterRegionConverter.AddRegionToRegion(image, null, hrgn, RasterRegionCombineMode.Set);

      region.ReleaseHrgn(hrgn);
      region.Dispose();

      // Draw something on the image
      InvertCommand command = new InvertCommand();
      command.Run(image);

      // Save the image
      codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24);

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

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