>>And just my personal preference here: instead of setting the four properties one by one, I rather call thisform.move(nTop, nLeft, nHeight, nWidth). The resize event happens only once, so if there's some code there, it gets executed only once.
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>I agree you should do this if you want the resize event to fire at all. Simply setting the properties in the Init, doesn't fire the Resize event. If you set it in the Activate event (or after), Resize fires.
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>I also didn't find a problem with the Resize event firing only once. Because of the single threaded nature of VFP, I believe the method that set the properties would finish before the Resize event was allowed to fire. Do your tests show something different?

I've seen it fire twice in the debugger, but didn't run any particular tests to see if it was the influence of the "objective observer" or really happening twice. I've recoded those things to use the move() just to make sure. IAC, I figure that one method call (even with four parameters) would be more lightweight than setting four properties, at least one of which may trigger some events and/or code.