As you may know, most wheel support is detected at the browser level. In Silverlight, this makes adding mouse wheel support an interop action with the HTML host. While people have implemented it, it has mostly been for the use of DeepZoom applications. In fact, the latest DeepZoom Composer tool actually adds this support now if you choose to have a Silverlight project as a part of the output of the collection. But what about other controls, namely ScrollViewer? Having content in ScrollViewer enables ScrollBar functionality but doesn’t automatically respond to mouse wheel actions. Adam Cooper has solved this...