IEInternals

A look at Internet Explorer from the inside out. @EricLaw left Microsoft in 2012, but was named an IE MVP in '13 & an IE userAgent (http://useragents.ie) in '14

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  • Blog Post: “Everybody Lies”

    Today we present EricLaw’s 2nd law of Software: “ If your software platform is sufficiently popular, and it offers a GetVersion API, that API probably lies. ” Recently, a user of Telerik’s automated web testing product ( Test Studio ) filed a bug noting that they’d recently...
  • Blog Post: Braindump: Feature Control Keys and URLActions

    Note: The “brain dump” series is akin to what the support.microsoft.com team calls “Fast Publish” articles—namely, things that are published quickly, without the usual level of polish, triple-checking, etc. I expect that these posts will contain errors, but I also expect...
  • Blog Post: Brain Dump: Random Tidbits

    This post contains random IE-related tidbits for which there’s either not enough material or time to write a full post. I expect to revisit and expand this list from time to time. Case-Sensitivity in Cross-Frame Scripting of File URIs Same-Origin-Policy controls how script running in web...
  • Blog Post: Understanding Protocols

    For over a decade, Internet Explorer has enabled developers to extend the browser with new URL protocol schemes. These protocols can be one of two types: Asynchronous Pluggable Protocols - COM objects that implement the IInternetProtocolRoot interface and return content to URLMon, usually for rendering...
  • Blog Post: The Web Browser Control and the Silent Flag

    Applications that host the Web Browser Control have the opportunity to set the Silent flag to suppress all dialogs that the web browser control may generate. In some cases, this is useful, because it can help ensure a “quiet” user experience without unexpected popups. Current versions...
  • Blog Post: IE9 Final RTW Minor Changes List

    This is the third and last post in the Minor Changes series; it covers changes in the final Release-to-Web (RTW) version of Internet Explorer 9. IE9 Beta Minor Changes List IE9 Release Candidate (RC) Minor Changes List The Release Candidate was Platform Complete, meaning that the Internet...
  • Blog Post: Why doesn’t Flash/Silverlight work in my .NET Application?

    Over the past few months, I’ve run across a number of developers who have reported problems where their .NET application fails to render Flash or Silverlight content within a Web Browser Control. The most common reason for this problem is that .NET, by default, compiles with a target of AnyCPU...
  • Blog Post: In-Place Shell Navigation with the WebBrowser Control on Windows 7

    Because the WebBrowser Control (WebOC) can be used to display a wide range of content (HTML, Office Documents, PDFs, the local file-system, etc) it is often integrated into applications as a somewhat generic object hosting surface. For Windows 7, a small change was made that will impact applications...
  • Blog Post: WebOCs, popups, and the default browser

    Applications which host the WebOC (Web Browser control) may choose to support popups and new windows by hooking the NewWindow3 event and returning in ppDisp a pointer to a new, hidden, non-navigated WebBrowser object or InternetExplorer object. If such an interface is returned, the browser so provided...
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