[MSDN Library June 1998] _PDRIVER Incorrectly Documented in FoxPro 1.02 (88.3333333333333%)
MSDN Library Visual Studio 6.0 > Knowledge Base > FoxPro
[MSDN Library June 1998] _PDRIVER System Variable (16.8176903611686%)
MSDN Library Visual Studio 6.0 > Visual FoxPro Documentation > Reference > A to Z Language Reference