I was suprised myself. I don't know how "well behaved" this is as a general rule, but it seems to work at least on a limited basis.

You are right though in that the best practice is to implement the interface.

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>That really surprises me < s >. I just tested this and you are, indeed correct. I just figured it wouldn't work for ActiveX controls since they are not native VFP objects and the documentation for BINDEVENT() says the oEventSource must be a native VFP object.
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>I learned something new today. Thanks!