EventListener::EventSourceIndex Method (EventSource^)
Gets a small non-negative number that represents the specified event source.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- eventSource
-
Type:
System.Diagnostics.Tracing::EventSource^
The event source to find the index for.
Return Value
Type: System::Int32A small non-negative number that represents the specified event source.
The value returned by EventSourceIndex identifies an event source that is suitable for indexing an array. This integer is unique within the application domain. An event listener might find it useful to store additional information about each event source that is connected to it. The value returned by EventSourceIndex allows this extra information to be efficiently stored in a expandable array such as List<T>.
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1