[MSDN Library June 1998] PdhAddCounter (55.2309782608696%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > Windows NT Features > Performance Data Helper > PDH Reference > PDH Functions

[MSDN Library June 1998] PdhAddCounter (VB) (44.1045485223075%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > Windows NT Features > Performance Data Helper > PDH Reference > PDH Functions for Visual Basic 4.0