4 references to AddIfNotExist
System.Diagnostics.DiagnosticSource (4)
System\Diagnostics\ActivitySource.cs (4)
429
if (s_allListeners.
AddIfNotExist
(listener))
462
s_allListeners.
AddIfNotExist
(listener);
529
newListeners.
AddIfNotExist
(listener);
539
listeners.
AddIfNotExist
(listener);