MeasurementCallback<T> Delegate

Definition

Namespace:

System.Diagnostics.Metrics

Assembly:

System.Diagnostics.DiagnosticSource.dll

Package:

System.Diagnostics.DiagnosticSource v9.0.0-rc.2.24473.5

A delegate to represent the Meterlistener callbacks that are used when recording measurements.

generic <typename T>
 where T : value classpublic delegate void MeasurementCallback(Instrument ^ instrument, T measurement, ReadOnlySpan<KeyValuePair<System::String ^, System::Object ^>> tags, System::Object ^ state);

public delegate void MeasurementCallback<T>(Instrument instrument, T measurement, ReadOnlySpan<KeyValuePair<string,object?>> tags, object? state) where T : struct;

type MeasurementCallback<'T (requires 'T : struct)> = delegate of Instrument * 'T * ReadOnlySpan<KeyValuePair<string, obj>> * obj -> unit

Public Delegate Sub MeasurementCallback(Of T)(instrument As Instrument, measurement As T, tags As ReadOnlySpan(Of KeyValuePair(Of String, Object)), state As Object)

Type Parameters

T

The type that the measurement represents.

Parameters

instrument

Instrument

The instrument that sent the measurement.

measurement

T

The measurement value.

tags

ReadOnlySpan<KeyValuePair<String,Object>>

A span of key-value pair tags associated with the measurement.

state

Object

The state object originally passed to EnableMeasurementEvents(Instrument, Object) method.

Extension Methods

GetMethodInfo(Delegate)

Gets an object that represents the method represented by the specified delegate.