onabort Property
Sets or returns a Variant that represents the value of the onabort attribute that is the script when the onabort event fires.
expression.onabort
expression Required. An expression that returns one of the objects in the Applies To list.
Example
The following example sets the onabort attribute for the first IMG element in the active document.
Dim objImage As FPHTMLImg
Set objImage = ActiveDocument.body.all.tags("img").Item(0)
objImage.onabort = "script()"