Assembly version :
<PackageReference Include="Syncfusion.Pdf.Imaging.Net.Core" Version="18.2.0.59" />
<PackageReference Include="Syncfusion.Pdf.Net.Core" Version="18.2.0.59" />
using Syncfusion.Pdf.Barcode;
private static Image GenerateBarcodeImage(string barcodeText)
{
//Initialize a new PdfCode39Barcode instance
PdfCode39Barcode barcode = new PdfCode39Barcode();
//Set the height and text for barcode
barcode.BarHeight = 45;
barcode.Text = "CODE39$";
//Convert the barcode to image
return barcode.ToImage(new SizeF(300, 200));
}