Michael,
Heres a perfect example of why you want to subclass ...
A couple of years into development of an app with lots of subclassed controls on many form classes, you realize that you do NOT want CTRL+0 to clear the contents of a control. A little code in all of the sub classed controls and everything is fixed. If you did not sub class the base controls, then you've got a real mess on your hands adding code everywhere. Actually at this point (or sometime sooner) you would have realized the problem and switched to using sub classed controls.

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>Probably naive question and has been answered already. What benefits of subclassing base controls if I am not intending to extend their functionality or build an extensive framework. For instance I just want to use a form template ( pageframe with several pages and with a grid on one page and listbox on other). What benefits of using subclassed grid and listbox instead of base ones.
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>What are the usual practices with VFP ?
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>Thanks.
>Michael