How to check whether a particular data exist in the registry RunServices?

[Kurosan]

I want to check whether an entry like app.exe does exist in the data value of the registry key
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices]

How do I do a recursive check on RunServices ?

[Mike Harnad]

The registry functions provide methods to recursively process a key. You'll need to write a loop that calls RegEnumValue() to get each value. Take a look at the registry functions in MSDN.