4 references to AddIfNotExist
System.Diagnostics.DiagnosticSource (4)
System\Diagnostics\ActivitySource.cs (4)
428
if (s_allListeners.
AddIfNotExist
(listener))
461
s_allListeners.
AddIfNotExist
(listener);
528
newListeners.
AddIfNotExist
(listener);
538
listeners.
AddIfNotExist
(listener);