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Step by Step Setup Guide for Dynamic Web TWAIN ActiveX in Visual Studio

Below is a simple step by step guide on how to use Dynamic Web TWAIN ActiveX:

1. Install Dynamic Web TWAIN 6.3.1 TRIAL.exe. You can download it here.

2. Generate a LPK file and name it "DynamicWebTwain.lpk". For more info, please click here.

3. Create a Web Application in Visual Studio.

4. Go to the installation folder of Dynamic Web TWAIN, copy the file called "DynamicWebTWAIN.cab" and the newly created LPK file "DynamicWebTwain.lpk" to the directory of your web application.

5. Add the object tag for LPK file in the "Default.aspx":

<object classid = "clsid:5220cb21-c88d-11cf-b347-00aa00a28331" VIEWASTEXT>
	<param name="LPKPath" value="DynamicWebTwain.lpk" />
</object>

6. Add the object tag for Dynamic Web TWAIN in the "Default.aspx":

<object classid="clsid:FFC6F181-A5CF-4ec4-A441-093D7134FBF2" id="DynamicWebTwain1" width="500" height="500"
CodeBase = "DynamicWebTWAIN.cab#version=6,2">
	<param name="_cx" value="847" />
	<param name="_cy" value="847" />
	<param name="JpgQuality" value="80" />
	<param name="Manufacturer" value="Dynamsoft Corporation" />
	<param name="ProductFamily" value="Dynamic Web TWAIN" />
	<param name="ProductName" value="Dynamic Web TWAIN" />
	<param name="VersionInfo" value="Dynamic Web TWAIN 6.3" />
	<param name="TransferMode" value="0" />
	<param name="BorderStyle" value="0" />
	<param name="FTPUserName" value="" />
	<param name="FTPPassword" value="" />
	<param name="FTPPort" value="21" />
	<param name="HTTPUserName" value="" />
	<param name="HTTPPassword" value="" />
	<param name="HTTPPort" value="80" />
	<param name="ProxyServer" value="" />
	<param name="IfDisableSourceAfterAcquire" value="0" />
	<param name="IfShowUI" value="1" />
	<param name="IfModalUI" value="1" />
	<param name="IfTiffMultiPage" value="0" />
	<param name="IfThrowException" value="0" />
	<param name="MaxImagesInBuffer" value="1" />
	<param name="TIFFCompressionType" value="0" />
</object>

Note: Change the classid to "E7DA7F8D-27AB-4EE9-8FC0-3FEC9ECFE758" if you are using the full version of Dynamic Web TWAIN ActiveX.

7. Add a button to use Dynamic Web TWAIN to scan:

and the related JavaScript Code:

function btnScan_onclick() {
WebTWAIN = document.getElementById("DynamicWebTwain1");
WebTWAIN.SelectSource();
WebTWAIN.OpenSource();
WebTWAIN.IfShowUI = false;
WebTWAIN.MaxImagesInBuffer = 100;
WebTWAIN.AcquireImage();
}