Public Shared Sub AddGdiPlusDataToRegion( _
   ByVal image As RasterImage, _
   ByVal xform As RasterRegionXForm, _
   ByVal data As RegionData, _
   ByVal combineMode As RasterRegionCombineMode _
) 

Dim image As RasterImage
Dim xform As RasterRegionXForm
Dim data As RegionData
Dim combineMode As RasterRegionCombineMode
 
RasterRegionConverter.AddGdiPlusDataToRegion(image, xform, data, combineMode)

public static void AddGdiPlusDataToRegion( 
   RasterImage image,
   RasterRegionXForm xform,
   RegionData data,
   RasterRegionCombineMode combineMode
)

public:
static void AddGdiPlusDataToRegion( 
   RasterImage^ image,
   RasterRegionXForm^ xform,
   RegionData^ data,
   RasterRegionCombineMode combineMode
) 

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

   Dim srcFileName As String = LeadtoolsExamples.Common.ImagesPath.Path + "Image1.cmp"
   Dim destFileName As String = LeadtoolsExamples.Common.ImagesPath.Path + "Image1_GdiPlusData.bmp"

   Dim gdipRegionData As RegionData = Nothing

   ' Load the source image
   Using image As RasterImage = codecs.Load(srcFileName)
      ' Add a polygon region to it

      ' Add a polygon region to the image
      Dim x1 As Integer = image.ImageWidth \ 4
      Dim y1 As Integer = image.ImageHeight \ 4
      Dim x2 As Integer = image.ImageWidth \ 3
      Dim y2 As Integer = image.ImageHeight \ 3

      Dim pts() As LeadPoint = _
      { _
         New LeadPoint(x1, y1), _
         New LeadPoint(x2, y1), _
         New LeadPoint(x1, y2), _
         New LeadPoint(x2, y2) _
      }

      image.AddPolygonToRegion(Nothing, pts, LeadFillMode.Winding, RasterRegionCombineMode.Set)

      ' Save the region as a GDI+ RegionData object
      gdipRegionData = RasterRegionConverter.GetGdiPlusRegionData(image, Nothing)
   End Using

   ' Re-load the source image
   Using image As RasterImage = codecs.Load(srcFileName)
      ' Add the GDI+ region data we saved to it
      RasterRegionConverter.AddGdiPlusDataToRegion(image, Nothing, gdipRegionData, RasterRegionCombineMode.Set)

      ' Fill this region with Yellow
      Dim cmd As New FillCommand(RasterColor.FromKnownColor(RasterKnownColor.Yellow))
      cmd.Run(image)

      ' Save this image
      codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24)
   End Using

   codecs.Dispose()
End Sub

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

      string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
      string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1_GdiPlusData.bmp");

      RegionData gdipRegionData = null;

      // Load the source image
      using(RasterImage image = codecs.Load(srcFileName))
      {
         // Add a polygon region to it

         // Add a polygon region to the image
         int x1 = image.ImageWidth / 4;
         int y1 = image.ImageHeight / 4;
         int x2 = image.ImageWidth / 3;
         int y2 = image.ImageHeight / 3;

         LeadPoint[] pts =
         {
            new LeadPoint(x1, y1),
            new LeadPoint(x2, y1),
            new LeadPoint(x1, y2),
            new LeadPoint(x2, y2)
         };

         image.AddPolygonToRegion(null, pts, LeadFillMode.Winding, RasterRegionCombineMode.Set);

         // Save the region as a GDI+ RegionData object
         gdipRegionData = RasterRegionConverter.GetGdiPlusRegionData(image, null);
      }

      // Re-load the source image
      using(RasterImage image = codecs.Load(srcFileName))
      {
         // Add the GDI+ region data we saved to it
         RasterRegionConverter.AddGdiPlusDataToRegion(image, null, gdipRegionData, RasterRegionCombineMode.Set);

         // Fill this region with Yellow
         FillCommand cmd = new FillCommand(RasterColor.FromKnownColor(RasterKnownColor.Yellow));
         cmd.Run(image);

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

      codecs.Dispose();
   }

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