Public Sub AddColorToRegion( _
   ByVal color As RasterColor, _
   ByVal combineMode As RasterRegionCombineMode _
) 

Dim instance As RasterImage
Dim color As RasterColor
Dim combineMode As RasterRegionCombineMode
 
instance.AddColorToRegion(color, combineMode)

public void AddColorToRegion( 
   RasterColor color,
   RasterRegionCombineMode combineMode
)

public:
void AddColorToRegion( 
   RasterColor color,
   RasterRegionCombineMode combineMode
) 

Public Sub AddColorToRegionExample()
      Dim codecs As RasterCodecs = New RasterCodecs()

      Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp")
      Dim destFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1_AddColorToRegion.bmp")

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

      ' Posterize the image to decrease the number of colors
      Dim posterize As PosterizeCommand = New PosterizeCommand(16)
      posterize.Run(image)

      ' Specify a pixel in the upper left of the displayed image
      Dim pt As LeadPoint = New LeadPoint(image.ImageWidth \ 8, image.ImageHeight \ 8)

      ' Adjust the point in case the view perspective is not TopLeft
      pt = image.PointToImage(RasterViewPerspective.TopLeft, pt)

      ' Get the color of the specified pixel
      Dim regionColor As RasterColor = image.GetPixelColor(pt.Y, pt.X)

      ' Create a region that includes all pixels of that color
      image.AddColorToRegion(regionColor, RasterRegionCombineMode.Set)

      ' Fill the region with blue
      Dim fill As FillCommand = New FillCommand(RasterColor.FromKnownColor(RasterKnownColor.Blue))
      fill.Run(image)

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

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

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

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

      string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
      string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1_AddColorToRegion.bmp");

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

      // Posterize the image to decrease the number of colors
      PosterizeCommand posterize = new PosterizeCommand(16);
      posterize.Run(image);

      // Specify a pixel in the upper left of the displayed image
      LeadPoint pt = new LeadPoint(image.ImageWidth / 8, image.ImageHeight / 8);

      // Adjust the point in case the view perspective is not TopLeft
      pt = image.PointToImage(RasterViewPerspective.TopLeft, pt);

      // Get the color of the specified pixel
      RasterColor regionColor = image.GetPixelColor(pt.Y, pt.X);

      // Create a region that includes all pixels of that color
      image.AddColorToRegion(regionColor, RasterRegionCombineMode.Set);

      // Fill the region with blue
      FillCommand fill = new FillCommand(RasterColor.FromKnownColor(RasterKnownColor.Blue));
      fill.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";
}

public void AddColorToRegionExample(RasterImage image, Stream destStream)
{
   // Posterize the image to decrease the number of colors
   PosterizeCommand posterize = new PosterizeCommand(16);
   posterize.Run(image);
   // Specify a pixel in the upper left of the displayed image
   LeadPoint pt = new LeadPoint(image.ImageWidth / 8, image.ImageHeight / 8);

   // Adjust the point in case the view perspective is not TopLeft
   pt = image.PointToImage(RasterViewPerspective.TopLeft, pt);

   // Get the color of the specified pixel
   RasterColor regionColor = image.GetPixelColor(pt.Y, pt.X);

   // Create a region that includes all pixels of that color
   image.AddColorToRegion(regionColor, RasterRegionCombineMode.Set);

   // Fill the region with blue
   FillCommand fill = new FillCommand(RasterColorConverter.FromColor(Colors.Blue));
   fill.Run(image);

   // Save the image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, destStream, RasterImageFormat.Png, 24);

   image.Dispose();
}

Public Sub AddColorToRegionExample(ByVal image As RasterImage, ByVal destStream As Stream)
   ' Posterize the image to decrease the number of colors
   Dim posterize As PosterizeCommand = New PosterizeCommand(16)
   posterize.Run(image)
   ' Specify a pixel in the upper left of the displayed image
   Dim pt As LeadPoint = New LeadPoint(image.ImageWidth / 8, image.ImageHeight / 8)

   ' Adjust the point in case the view perspective is not TopLeft
   pt = image.PointToImage(RasterViewPerspective.TopLeft, pt)

   ' Get the color of the specified pixel
   Dim regionColor As RasterColor = image.GetPixelColor(pt.Y, pt.X)

   ' Create a region that includes all pixels of that color
   image.AddColorToRegion(regionColor, RasterRegionCombineMode.Set)

   ' Fill the region with blue
   Dim fill As FillCommand = New FillCommand(RasterColorConverter.FromColor(Colors.Blue))
   fill.Run(image)

   ' Save the image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, destStream, RasterImageFormat.Png, 24)

   image.Dispose()
End Sub