Would expect the following functionality:

With ZoomMode=ScrollAndZoom enabled, I like how I can use my mouse and the scrollbar to scroll and zoom.

Help me understand why I cannot do the same with the mouse wheel or click/drag?

Current RadTimeline allows me to:
a) Use the Scroll Wheel to Zoom In/Out
b) Nothing else, correct?

Other similar controls would allow the following:
a) Use Scroll Wheel to PAN/SCROLL by default
b) Use Ctrl + Scroll Wheel to ZOOM

Another option to ScrollZoomPan would be nice as well. Having to custom add basic pan/zoom features makes the use of 3rd party controls less appealing.