feat: let dispatchEvent work. issues#17638 #949
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fixed: #17638
usage:
When we want to dispatch an event. For example, a Wheel event.
step 1
Capture a wheel event and create a new wheel event base that event.
step 2
Set the
dispatchedOffsetX
anddispatchedOffsetY
attributes of the event.step 3
PreventDefault and trigger/dispatch the event on
Zrender
.