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NoticeThe MSHTML primary interop assembly component is incorporated into the Microsoft Visual Studio IDE for internal use. However, using the component in end-user applications is not supported.
Consider the following scenario. In Internet Explorer, a managed application tries to interact with an HTML document by using the MSHTML primary interop assembly (Microsoft.mshtml.dll) component. In this scenario, the HTML events may not work correctly.
Note This problem occurs in all the versions of Internet Explorer.
These are some known issues that are related to the MSHTML primary interop assembly:
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.
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