Form a barcode in pdf? use C#

A third party PDF component can do this for U ,after add reference ,here is the code:

//draw Codabar
 PdfTextWidget text = new PdfTextWidget();
 text.Font = font1;
 text.Text = "Codabar:";
 PdfLayoutResult result = text.Draw(page, 0, y);
 page = result.Page;
 y = result.Bounds.Bottom + 2;

 PdfCodabarBarcode barcode1 = new PdfCodabarBarcode("00:12-3456/7890");
 barcode1.BarcodeToTextGapHeight = 1f;
 barcode1.EnableCheckDigit = true;
 barcode1.ShowCheckDigit = true;
 barcode1.TextDisplayLocation = TextLocation.Bottom;
 barcode1.TextColor = Color.Green;
 barcode1.Draw(page, new PointF(0, y));
 y = barcode1.Bounds.Bottom + 5;


 //draw Barcode
 text.Text = "Code123:";
 result = text.Draw(page, 0, y);
 page = result.Page;
 y = result.Bounds.Bottom + 2;

 PdfCode11Barcode barcode2 = new PdfCode11Barcode("123-4567890");
 barcode2.BarcodeToTextGapHeight = 1f;
 barcode2.TextDisplayLocation = TextLocation.Bottom;
 barcode2.TextColor = Color.OrangeRed;
 barcode2.Draw(page, new PointF(0, y));
 y = barcode2.Bounds.Bottom + 5;

You can set barcode format and some properties such as text display location, color etc.