How to Use Dynamic .NET TWAIN v8.0 for Scanner and Webcam Software Development
Dynamic .NET TWAIN is a .NET document imaging SDK based on the TWAIN and DirectShow standards. It provides rich APIs for scanner and webcam software development. In this article, we will show you how to use Dynamic .NET TWAIN v8.0 to create a simple scanning and webcam application in Visual Studio.
Download and Install Dynamic .NET TWAIN v8.0
To use Dynamic .NET TWAIN v8.0, you need to download and install it from the download site. You can get a 30-day free trial license from here.
Create a New .NET Project
Launch Visual Studio, and create a new .NET project. You can choose either WinForms or WPF as the project type, as Dynamic .NET TWAIN supports both. For this example, we will use WinForms.
Add Reference to DynamicDotNetTWAIN.dll
Right-click References in the Solution Explorer, and select Add Reference. Browse to the installation folder of Dynamic .NET TWAIN, and select DynamicDotNetTWAIN.dll. This is the main assembly of the SDK that contains all the classes and methods you need.
Drag and Drop DynamicDotNetTwain Control to the Form
Open the Toolbox panel, and find the DynamicDotNetTwain control under Dynamsoft Components. Drag and drop it to the form. This control is the core component of the SDK that provides the scanning and webcam functionality.
Add Buttons for Scanning and Webcam
Add two buttons to the form, one for scanning and one for webcam. Double-click each button to generate the click event handler.
Write Code for Scanning
In the scanning button click event handler, write the following code:
This code will prompt the user to select a scanner from the installed devices, open it, set some scan parameters, and acquire images from it. The scanned images will be displayed in the DynamicDotNetTwain control.
Write Code for Webcam
In the webcam button click event handler, write the following code: