>>To fix this I would put the code in the grid's double click (so it is centralized) and then put THIS.Parent.DoubleClick() in the column double click events and THIS.Parent.Parent.DoubleClick in the column control's double click as well as the header's doubleclick.
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>This sounds like a good idea. Would it be even better to put the common code in a custom method, rather the the grid's DoubleClick, so that nothing happens if the user doubleclicks on a blank row? Or does the column get the event in that case?

Mark,

You sure do come up with very interesting questions. I would put the code in the grid's doubleclick if that code should also run when any space inside the grid is doublclicked. If the ode should only run when a data area is doubleclicked then I would use your idea of a dedicated method.