Hi Mark,
Currently the PerformanceCounterInstaller will indeed overwrite the
existing category and counter information in registry by default. If you
use Reflector (
http://www.aisto.com/roeder/dotnet/) to view the source of
PerformanceCounterInstaller (in
%windir%\Microsoft.NET\Framework\v2.0.50727\system .configuration.install.dll
), you will see it delegates call to PerformanceCounterCategory.Create() to
add the category and counter.
To workaround this, I think you could create a custom class to inherit from
PerformanceCounterInstaller and override the Install method, and call into
PerformanceCounterCategory.Exists() before call base.Install(). According
to your requirement, you could prompt the user if the category already
exists.
Please feel free to let me know there's anything unclear.
Sincerely,
Walter Wang (wa****@online.microsoft.com, remove 'online.')
Microsoft Online Community Support
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