Gets the Multipurpose Internet Mail Extensions (MIME) content type of the response stream's content.
Assembly: PresentationCore (in PresentationCore.dll)
If a request does not specify a part in the package, it returns the MIME type of the package.
Requests that specify a part in the package return one of the following:
If the requested part contains no ContentType value but the stream name contains a recognized MIME extension type, the MIME type corresponding to the extension is returned.
If the requested part does not contain a ContentType value nor a recognized MIME extension type, returns an empty string.
Available since 3.0