4 references to AddIfNotExist
System.Diagnostics.DiagnosticSource (4)
System\Diagnostics\ActivitySource.cs (4)
388
if (s_allListeners.
AddIfNotExist
(listener))
421
s_allListeners.
AddIfNotExist
(listener);
488
newListeners.
AddIfNotExist
(listener);
498
listeners.
AddIfNotExist
(listener);