BackColor Property

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Barcode; 
using Leadtools.ImageProcessing; 
 
 
public void BarcodeReadOptions_ColorsExample() 
{ 
   string imageFileName = Path.Combine(LEAD_VARS.ImagesDir, "Barcode2.tif"); 
 
   // Create a Barcode engine 
   BarcodeEngine engine = new BarcodeEngine(); 
 
   // Get the Barcode reader instance 
   BarcodeReader reader = engine.Reader; 
 
   using (RasterCodecs codecs = new RasterCodecs()) 
   { 
      using (RasterImage image = codecs.Load(imageFileName, 0, CodecsLoadByteOrder.BgrOrGray, 1, 1)) 
      { 
         // Invert the image 
         Console.WriteLine("Inverting the image"); 
         Leadtools.ImageProcessing.Color.InvertCommand invert = new Leadtools.ImageProcessing.Color.InvertCommand(); 
         invert.Run(image); 
 
         // All barcodes have default options of black foreground color and white background color, so 
         // reading the barcode with default options should not return any barcodes right now 
 
         // Read the QR barcode from this image using default options 
         Console.WriteLine("Reading using default options"); 
         BarcodeData barcode = reader.ReadBarcode(image, LeadRect.Empty, BarcodeSymbology.QR, null); 
 
         // Show its location and data if found 
         // This will print out "Not found" 
         if (barcode != null) 
         { 
            Console.WriteLine("Found at {0}, data:\n{1}", barcode.Bounds, barcode.Value); 
         } 
         else 
         { 
            Console.WriteLine("Not found"); 
         } 
 
         // Now create QR read options to have white foreground color and black background color 
         QRBarcodeReadOptions qrReadOptions = new QRBarcodeReadOptions(); 
         qrReadOptions.ForeColor = RasterColor.FromKnownColor(RasterKnownColor.White); 
         qrReadOptions.BackColor = RasterColor.FromKnownColor(RasterKnownColor.Black); 
 
         // And use it to try to read the QR barcode again 
         Console.WriteLine("Reading using specific options that instruct the engine to look for white on black barcodes"); 
         barcode = reader.ReadBarcode(image, LeadRect.Empty, BarcodeSymbology.QR, qrReadOptions); 
 
         // Show its location and data if found 
         // This will find the barcode and print its information now 
         if (barcode != null) 
         { 
            Console.WriteLine("Found at {0}, data:\n{1}", barcode.Bounds, barcode.Value); 
         } 
         else 
         { 
            Console.WriteLine("Not found"); 
         } 
      } 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}