In an application hosting the WebBrowser control in Internet Explorer 11, the IsDirty method of a serial stream always returns a value of "S_FALSE" and indicates that the object is unchanged even if the document is actually changed.
To resolve this problem, install the most recent cumulative security update for Internet Explorer. To do this, go to Microsoft Update.
For technical information about the most recent cumulative security update for Internet Explorer, see the following Microsoft website:
http://www.microsoft.com/technet/security/current.aspxNote This update was first included in security update 2976627.
For more information about security update 2976627, click the following article number to view the article in the Microsoft Knowledge Base:
2976627 MS14-051: Cumulative security update for Internet Explorer: August 12, 2014
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
See the terminology that Microsoft uses to describe software updates.