EventListener.EventSourceIndex Method (EventSource)

.NET Framework (current version)
 
System_CAPS_noteNote

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Gets a small non-negative number that represents the specified event source.

Namespace:   System.Diagnostics.Tracing
Assembly:  mscorlib (in mscorlib.dll)

public static int EventSourceIndex(
	EventSource eventSource
)

Parameters

eventSource
Type: System.Diagnostics.Tracing.EventSource

The event source to find the index for.

Return Value

Type: System.Int32

A 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>.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1
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