The interaction between the code and markup is where things get interesting (UserControls, Pages, custom Controls, binding, converters, behaviors, triggers). You will normally be writing procedural code (C#) to make the application "come alive". The XAML is mostly presentation (like html) but has some basic "programmability" (animations is the only good example I can think of). Normally you define this by including/compiling XAML markup files into your assemblies (they aren't loose inside the XAP). Silverlight renders UI via tree of visual elements (like a web page). We normally rely on http get calls to download "stuff" from the host web site and/or via web service calls. I'm not sure if people put other things in the XAP (images?). I guess the idea is that you can unzip the XAP on the hosting web site, change a setting, and rezip it. For example, we have some extra configuration files inside our XAP. (but you can download and load code in other XAPs if you want - some Slightlight frameworks do this, Prism for one).īesides the assembly DLLs, there is a manifest file in the XAP and other "stuff" you may want to be outside the complied code. Normally you have one XAP file per application. The plug-in downloads this XAP, opens it up, and runs that code. The XAP contains assemblies you wrote and all those you've referenced. NET and Silverlight, but there a ton's a restrictions, let's just ignore that). NET assemblies, but work only under Silverlight (there are ways to build a single assembly that could work under real. ![]() The application itself will be a XAP file (really a zip) that contains compiled assemblies. a Silverlight application (see Robert Harvey's answer), here is some more info on what makes up a typical Silverlight application: The second best time is now.Now that we settled what the Silverlight plug-in is vs. Where I come from, there’s a saying: “The best time to drop support for Silverlight was ten years ago. Given the history, it no longer makes sense to keep supporting Silverlight if you are. With that said, deprecation of Silverlight doesn’t mean that applications will stop working due to their perpetual license. However, Microsoft will stop offering the Silverlight plugin installer for download after October 12, 2021. So it simply no longer makes sense to keep supporting Silverlight. ![]() IE 11 has a market share of about 1.45%, a number that’s shrinking every year. Unfortunately, that browser is Internet Explorer 11 (another relic of the past that is also currently being phased out). On October 12, 2021, the last browser that still supports Silverlight will drop support for it. Since then, it has been superseded by faster, better, more widely compatible frameworks, like HTML5. The last major version of Microsoft Silverlight was Silverlight 5, which was released in 2011. Why is Silverlight being deprecated? And what does that mean for my app? Mac OS devices followed suit in 2016, and Firefox in 2017. Browsers were also slowly phasing out the overall use of plugins to improve performance and security.īy 2015, major Silverlight users, like Netflix and Amazon Prime Video, were dropping support for the framework, and Google Chrome had stopped supporting the plugin entirely. Can you imagine not having mobile web support for Android and iOS in the early 2010s?Įven worse, it peaked when the industry was transitioning to HTML5, a move that displaced even its Flashy competition. It also only ran on x86 or Windows Phone devices. ![]() The Silverlight plugin had spotty compatibility across major browsers, especially on Mac OS. It had support for many modern video codecs and was even adopted by NBC to showcase the 20 Olympics and Netflix for a few years.īut Silverlight came too late. It was positioned as an alternative to the highly dominant Adobe Flash, especially in the realm of video. Microsoft Silverlight is a development framework for rich, interactive web content.
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