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JavaScript Debugging in a Web Browser Control with Visual Studio



Debugging a Web Browser Control embedded in a Windows application can be a bear because there's no obvious way to debug the the JavaScript code or HTML DOM/CSS inside of the application. Although the Web Browser uses the Internet Explorer Engine for HTML rendering and JavaScript execution and provides most of the engine features, the Debugger and F12 are not part of that. As it turns out you can use Visual Studio to hook up a script debugger and provide a rich debugging experience with the full IE debugger, Console and even a DOM/CSS Explorer. In this post I show how.

Dragging and Dropping Images and Files into the Web Browser Control



Dragging content into the Web Browser control and capturing the content dropped can be tricky. The Web Browser Control is based on Internet Explorer and is actually an ActiveX control hosted inside of a container and because of that is difficult to deal with. In this post I describe how you can get around this issue and still capture images and files dropped on the control and handle the drop operations.

Debugging the Web Browser Control with FireBug



If you need to debug JavaScript code or layout issues in a Web Browser control inside of a Windows desktop application, you've probably found that the experience sucks. Although Internet Explorer on which the control is based suppports rich developer tools, those are not available in the Web Browser control. Enter an oldie but goodie: FireBug which is an embeddable Console implementation that provides a lot of the features that you find in modern browser developer tools and with a couple of lines of html you can add this debugger into your application.

Make your CHM Help Files show HTML5 and CSS3 content



Want to get your CHM files to display content in HTML5 and CSS rather than the stock IE7 quirks more rendering used by default? This blog post describes how you can take advantage of newer HTML and CSS specs in your CHM files.

IE9 not rendering box-shadow Elements inside of Table Cells



Looks like IE9 has a bug that won't render box-shadow CSS when the box-shadow is contained within a table that has border-collapse set. Here's what the problem is and how to work around it.

Web Browser Control & Specifying the IE Version



The Microsoft Web Browser control's default rendering mode is not standards compliant - it's stuck in IE 7 quirks mode even on systems that run a later version of IE such as IE 11. This produces terrible results if you're attempting to use HTML 5 or or CSS 3 markup in your HTML to display. However, the Web Browser control does support using specific versions of Internet Explorer via some registry values that can be set for a specific application. This post shows how to configure your application to work with a specific version of Internet Explorer's rendering engine.
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