silverlight - MouseWheel: Scrolling vs. Zooming -

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i've got silverlight 4 custom control several canvas elements wrapped inside scrollviewer. user can set property determine whether scroll or zoom when using mouses wheel. in custom control's mousewheel event, check see if want scroll or zoom. if zooming, determine delta , modify custom control's zoom level (which handles zooming code me).

the problem zooming won't start until scrollviewer's current position of vertical scrollbar @ top or bottom of scrollbar. once their, zooming works perfectly.

does have suggestions on how can prevent scrolling zoom (when user wants zoom, is)?

thanks!

looks 1 of child elements hogging mousewheel event. traced adding debug.writeline statements each of child element's mousewheel event parent control's mousewheel event.

so, can't blame sl4. myself. :)


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