How to search for Barcode signatures in Dot

GroupDocs.Signature for .NET makes it easier for .NET developers to search for Barcode signatures in Dot files from their applications by implementing a few easy steps.

Create a new instance of Signature class and pass source document path as a constructor parameter.
Instantiate the SearchOptions object according to your requirements and specify searching options.
Call Search method of Signature class instance and pass SearchOptions to it.
Process searching results accordingly to your demands.

System Requirements

GroupDocs.Signature for .NET are supported on all major platforms and operating systems. Before executing the code below, please make sure that you have the following prerequisites installed on your system.

Operating systems: Microsoft Windows, Linux, MacOS
Development environments: Microsoft Visual Studio, Xamarin, MonoDevelop
Frameworks: .NET Framework, .NET Standard, .NET Core, Mono
Download the latest version of GroupDocs.Signature for .NET from Nuget


// Set up input Dot file
string filePath = "input.dot";

// Instantiate Signature for input file
using (var signature = new GroupDocs.Signature.Signature(filePath))
{
        //Create search options
        BarcodeSearchOptions options = new BarcodeSearchOptions()
        {
            // specify special pages to search on 
            AllPages = false,
            // single page number
            PageNumber = 1,
            // set up text match type
            MatchType = TextMatchType.Contains,
            // specify text pattern to search
            Text = "Text signature",
            // return  Barcode images for processing
            ReturnContent = true,
            // set up type of returned  Barcode images
            ReturnContentType = FileType.PNG
        };

        // search for Barcode signatures in Dot document
        List<BarcodeSignature> signatures = signature.Search<BarcodeSignature>(options);

        // process signatures which were found                
        foreach (BarcodeSignature item in signatures)
        {
            //...
        }
}