Overloads Public Shared Sub PaintRegion( _
   ByVal image As RasterImage, _
   ByVal graphics As Graphics, _
   ByVal srcRect As LeadRect, _
   ByVal srcClipRect As LeadRect, _
   ByVal destRect As LeadRect, _
   ByVal destClipRect As LeadRect, _
   ByVal properties As RasterPaintProperties _
) 

Dim image As RasterImage
Dim graphics As Graphics
Dim srcRect As LeadRect
Dim srcClipRect As LeadRect
Dim destRect As LeadRect
Dim destClipRect As LeadRect
Dim properties As RasterPaintProperties
 
RasterImagePainter.PaintRegion(image, graphics, srcRect, srcClipRect, destRect, destClipRect, properties)

public static void PaintRegion( 
   RasterImage image,
   Graphics graphics,
   LeadRect srcRect,
   LeadRect srcClipRect,
   LeadRect destRect,
   LeadRect destClipRect,
   RasterPaintProperties properties
)

public:
static void PaintRegion( 
   RasterImage^ image,
   Graphics^ graphics,
   LeadRect srcRect,
   LeadRect srcClipRect,
   LeadRect destRect,
   LeadRect destClipRect,
   RasterPaintProperties properties
) 

Public Sub PaintRegionExample()
      Dim f As New PaintRegionForm()
      f.ShowDialog()
   End Sub

   Class PaintRegionForm
      Inherits Form
      Private image As RasterImage

      Public Sub New()
         ' Load the image
         Dim codecs As New RasterCodecs()

         Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp")
         image = codecs.Load(srcFileName)

         ' add a region to the image
         image.AddEllipseToRegion( _
            RasterRegionXForm.Default, _
            New LeadRect(image.Width \ 4, image.Height \ 4, image.Width \ 2, image.Height \ 2), _
            RasterRegionCombineMode.Set)

         Text = "PaintRegion Example"
      End Sub

      Protected Overrides Sub Dispose(ByVal disposing As Boolean)
         ' Clean up
         If disposing Then
            image.Dispose()
         End If

         MyBase.Dispose(disposing)
      End Sub

      Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
         ' Draw the image fit and center on this form
         Dim destRect As LeadRect = LeadRect.FromLTRB(ClientRectangle.Left, ClientRectangle.Top, ClientRectangle.Right, ClientRectangle.Bottom)
         destRect = RasterImage.CalculatePaintModeRectangle( _
            image.ImageWidth, _
            image.ImageHeight, _
            destRect, _
            RasterPaintSizeMode.Fit, _
            RasterPaintAlignMode.Center, _
            RasterPaintAlignMode.Center)

         RasterImagePainter.PaintRegion(image, e.Graphics, LeadRect.Empty, LeadRect.Empty, destRect, LeadRect.Empty, RasterPaintProperties.Default)

         MyBase.OnPaint(e)
      End Sub
   End Class

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

public void PaintRegionExample()
   {
      PaintRegionForm f = new PaintRegionForm();
      f.ShowDialog();
   }

   class PaintRegionForm : Form
   {
      private RasterImage image;

      public PaintRegionForm()
      {
         // Load the image
         RasterCodecs codecs = new RasterCodecs();

         string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
         image = codecs.Load(srcFileName);

         // add a region to the image
         image.AddEllipseToRegion(
            RasterRegionXForm.Default,
            new LeadRect(image.Width / 4, image.Height / 4, image.Width / 2, image.Height / 2),
            RasterRegionCombineMode.Set);

         Text = "PaintRegion Example";
      }

      protected override void Dispose(bool disposing)
      {
         // Clean up
         if(disposing)
         {
            image.Dispose();
         }

         base.Dispose(disposing);
      }

      protected override void OnPaint(PaintEventArgs e)
      {
         // Draw the image fit and center on this form
         LeadRect destRect = LeadRect.FromLTRB(ClientRectangle.Left, ClientRectangle.Top, ClientRectangle.Right, ClientRectangle.Bottom);
         destRect = RasterImage.CalculatePaintModeRectangle(
            image.ImageWidth,
            image.ImageHeight,
            destRect,
            RasterPaintSizeMode.Fit,
            RasterPaintAlignMode.Center,
            RasterPaintAlignMode.Center);

         RasterImagePainter.PaintRegion(image, e.Graphics, LeadRect.Empty, LeadRect.Empty, destRect, LeadRect.Empty, RasterPaintProperties.Default);

         base.OnPaint(e);
      }
   }

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