>I'm trying to figure out how to determine what measurement system (U.S. or metric) the user has selected in the Regional Settings applet of the Control Panel. I've been through the API Functions forum here and MSDN, but can't seem to find what I need. Anyone have an idea? TIA.
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Doug,

It's in the registry under HKEY_CURRENT_USER\Control Panel\International\iMeasure. If the value is 1, it's U.S. 0 is metric.