Tag: dotnet
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In Dynamsoft Barcode Reader SDK, there is a fancy webcam barcode sample called BarcodeReaderDemo that supports reading barcodes from disk files, TWAIN-compatible hardware scanners, and USB webcams. However, one thing you have to know is the functionality of acquiring images f ...
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ZXing is probably the most popular open source barcode SDK in the world. The library is written in Java and now has been ported to C++, .NET, Python, Objective-C, PHP and some other programming languages. Because ZXing is free, many developers would like to build barcode scan ...
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When you release a JavaScript library, such as jQuery, online, you may need to collect some status information for analytics. If you deploy your website on IIS, you can use HTTP Module to capture HTTP requests of HTML, JS and CSS files. My goal is to make a statistic of how m ...
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OpenCV is written in C++. If you install OpenCV library on Windows, you will see OpenCV officially provides wrappers for Python and Java but not for C#. Fortunately, there are many .NET open source projects for wrapping OpenCV C++ APIs, and thus we don’t need to write a wrap ...
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C# is the preferred programming language for developing Windows applications. However, Microsoft only provides .NET camera APIs for UWP applications. If you plan to write a classic Windows desktop application using a webcam, it will be complicated to create a C/C++ wrapper fo ...
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Previously I shared how to use Touchless, which wraps the win32 APIs of DirectShow, to control webcam in C#. In this article, let’s take a further step to see how to use the more complicated DirectShow.NET APIs to capture the video stream and read barcode from preview frames ...
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If you have a USB camera, how can you build a simple C# camera application on Windows 10? There are three options: WIA (Windows Imaging Acquisition), DirectShow and MediaCapture. After trying some sample code that downloaded from CodeProject and GitHub, I got the conclusion: ...
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Xamarin platform helps .Net developers to easily build applications for Android, iOS, Mac and Windows in C#. Let’s take a look at how to create our first Android demo with Xamarin in Visual Studio 2013.