Fires when the object starts to move.
If the event bubbles and is cancellable, return VARIANT_TRUE to prevent the event from bubbling to other event handlers in the document tree. Return VARIANT_FALSE to allow bubbling.
The DISPID for this event is defined in mshtmdid.h. Use this value to identify the event handler when implementing IDispatch::Invoke.
Bubbles Yes Cancels Yes To invoke Start to move the editable object. Default action Calls the associated event handler if there is one.
The HTMLTextContainerEvents::onmovestart event fires only when an editable element starts to move.
This event can only be bound to absolutely positioned elements.