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There were 10 articles found in this category:

  1. questionDynamic Web TWAIN: How to show all scanners in a drop down list
    Scenario: You would like to display all of the devices sources (scanners) in a drop down menu Solution: Add the following code segments to your scan page: In the <body> tags: <select size="1" id="source" style="position: relative; width: 220px;"></select> In Dynamsoft_OnReady() ...
  2. questionDynamic Web TWAIN: Modifying or removing Loading bars / Icons
    Scenario: You would like to remove or edit the following overlay that appears when scanning or loading WebTWAIN: Solution: During Scanning Operation: 1). Open dynamsoft.webtwain.install.js file 2). Comment out the following code and add your own customized code function OnWebTwainPreExecuteCa ...
  3. questionDynamic Web TWAIN Error: Failed to open some file(s)
    Symptoms: When trying to load a file in Dynamic Web TWAIN you see the error: Failed to open some file(s)" Cause: This issue is caused by trying to load a file with non-English characters with a mismatched system language. Solution: Change the system settings so that the system language matche ...
  4. questionDynamic Web TWAIN Error: An add-on for this website failed to run.
    Symptoms: When you access a web page containing Dynamsoft ActiveX control, you may receive an error stating that: "An add-on for this website failed to run." after trying to install the add-on. Cause: This is a known issue caused by Microsoft update KB3058515 on Internet explorer versions 9 th ...
  5. questionDynamic Web TWAIN: How to post to a non-action page
    Scenario: You are scanning documents and would like to upload them to something that is not an action page (node, etc). Solution: In order to do this we will use one of the upload through post methods, pick the one that is most relevant to your case, in the sample below we will use HTTPUploadA ...
  6. questionHow to use a blank page as a separator with Dynamic Web TWAIN
    Scenario: You are scanning in multiple documents with a blank page separating them and would like to save each set of documents separately. Solution: In order to do this we will scan in all the sheets, then use IsBlankImageExpress(index) to detect whether or not it is blank. If the sheet is bl ...
  7. questionDynamic Web TWAIN how to use default source
    When scanning you may be interested in either automatically using the default scanner source, or changing the default scanner source. By default we do not support changing the defaults source because of the DSM(Data Source Manager) that is used by default. For displaying the default source first ...
  8. questionHow to use mouse wheel to zoom in Dynamic Web TWAIN
    Using Dynamic Web TWAIN is possible to zoom in and out on images that you have loaded into your application. In order to do so you must use external JavaScript event handlers. The following code snippets will show you how to use the mouse wheel to zoom in and out at increments. Dynamsoft_OnRe ...
  9. questionChanging the Plug-in Prompts for Dynamic Web TWAIN
    In-case you are not satisfied with the default plug-in installation prompt that appears when a user visits your web page you may wish customize the prompt. In order to do this please navigate to the Resources folder on your server and open the dynamsoft.webtwain.install.js file. In this file y ...
  10. questionDynamic Web Twain Installation files and folders
    When installing Dynamic Web TWAIN you may wonder where the files are installed on the developers machine as well as on the end users machine. This knowledge base article will help outline some of the main components. For Developers: When installing the trial version of Dynamic Web TWAIN you will ...