This article indicates how to upgrade Dynamic Web TWAIN (DWT) ActiveX from a lower trial version to a higher full version. If you are using the Plug-in edition, please click here.
1.Uninstall the old version before installing the new one.
Remove DynamicWebTwain Class at "C:\WINDOWS\Downloaded Program Files" if it exists.
2.Install Dynamic Web TWAIN 7.0.
3.Input the permanent license in Licensing tool. For more info on this, please click here.
4.The upgrades of DWT for web applications and desktop applications are different.
1) If you are developing a web application with DWT, please follow the steps below:
- Replace the old CAB/LPK files with the new ones. The CAB file can be found at the installation directory of Dynamic Web TWAIN, and the LPK file can be created using Lpk_tool.exe that can be downloaded from www.microsoft.com. Please click here for information on how to create a LPK file.
- Change the class id. This will make an automatic upgrade of DWT on the client side. Please click here for more information about how to upgrade DWT on the client side when the upgrade is done on the server side.
<object classid="clsid:FFC6F181-A5CF-4ec4-A441-093D7134FBF2" id="DynamicWebTwain1" width="143" height="156"
CodeBase = "DynamicWebTWAIN.cab#version=6,3,1">
To:
<object classid="clsid:E7DA7F8D-27AB-4EE9-8FC0-3FEC9ECFE758" id="DynamicWebTwain1" width="143" height="156"
CodeBase = "DynamicWebTWAIN.cab#version=7,0">
2) If you are developing a desktop application with DWT, you need to remove the control of the old version from the forms and re-add the control of the 7.x version. Click here to get more information on how to use DWT in different development environments.
