Knowledge Base

The leading provider of version control solutions and TWAIN SDKs

View Articles by Category


There are no sub categories

Category » Dynamsoft Barcode Readerrss button

There were 11 articles found in this category:

  1. questionHow to change the location or to rename the 'DBRResources' folder with Dynamsoft Barcode Reader JavaScript SDK
    Scenario: For customers who are using Dynamsoft Barcode Reader JavaScript SDK, to change the location of the 'DBRResources' folder, or to rename it, please follow the steps below: Steps: Say the original DBRResources folder is at '../{Project Directory}/DBRResources', and you want to change it ...
  2. questionError "XMLHttpRequest cannot load ***. No 'Access-Control-Allow-Origin' header is present on the requested resource."
    Error: XMLHttpRequest cannot load ***. No 'Access-Control-Allow-Origin' header is present on the requested resource. Causes: You are accessing web resources on different domains or ports. For example, if you are on the website http://demo1.dynamsoft.com and are trying to use readURL method to r ...
  3. questionWhy is the browser prompting me to install Dynamsoft Service repeatedly?
    Scenario: A user has already installed the DynamsoftService on the machine, but the browser continues to prompt the user to download and install it. Causes: The DynamsoftService is not installed properly. The local service for Dynamsoft Service is not started. The service is blocked by another ...
  4. questionUse DecodeBuffer/DecodeBufferEx in different use cases
    If you are trying to read barcodes from video stream directly, then DecodeBuffer/DecodeBufferEx method is the right one for you. This article will explain each parameter of this method and provide some code snippet to guide you through how to use it. The first parameter is a byte matrix. Each b ...
  5. questionHow do I find out whether the installed version of PHP is thread safe or not?
    You can view your PHP settings using a phpinfo page. A phpinfo page is simply a php page with the following code: <?php phpinfo(); ?> To view your PHP settings, please take the following steps: Step 1: You can access phpinfo page from your browser. If you created the file in your public_ ...
  6. questionHow to upgrade Dynamsoft Barcode Reader Windows Edition to the latest version?
    Upgrade from: Trial to Full For .NET For ActiveX For C For C++ To upgrade Dynamsoft Barcode Reader from trial version to licensed version, you only need to replace the license key. No other value needs to be changed. For more info on how to change the license, please refer to this KB article. ...
  7. questionError message: The file type is not supported
    Symptom: When you read a file from local disk, you may receive the following error message returned by our SDK: The file type is not supported Causes: The problem may be caused by one of the followings. The loaded file type may not be PNG, JPG, BMP, GIF, TIF or PDF on Windows OS. Reading barco ...
  8. questionHow to distribute desktop applications developed with Dynamsoft Barcode Reader?
    Licensing During development of your Dynamic Barcode Reader product you will need to have a valid development license. Once you are done developing, this license must be replaced with a run-time license so that your users/customers are able to use the product. Replacing the License Open your b ...
  9. questionError message: Failed to create decompression directory
    Symptom: After deploying your barcode reading application powered by Dynamsoft Barcode Reader, you may receive the following error message returned by our SDK: Failed to create decompression directory Cause: Dynamsoft's .NET DLL (Dynamsoft.BarcodeReader.dll) failed to create decompression direc ...
  10. questionHow to use license key
    Please follow the steps below to license Dynamsoft Barcode Reader: Get license key(s) For paid customers, you should get an email with the full license and the download link of the full version installer. If not, please contact sales[at]dynamsoft.com. For trial users, you can get the trial lic ...
  11. question[Troubleshooting] Error Messages About Your License
    License Error: Invalid Expired Symptom: When you run an application using Dynamsoft Barcode Reader SDK, you may receive one of the following errors about your license: #1. You do not have a valid 1D license. You can refer to this link to resolve the issue. #2. You do not have a valid QRCode ...