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.NET Framework 4.5

.NET Framework Class Library

System.Diagnostics Namespaces

System.Diagnostics

BooleanSwitch Class

ConditionalAttribute Class

ConsoleTraceListener Class

CorrelationManager Class

CounterCreationData Class

CounterCreationDataCollection Class

CounterSample Structure

CounterSampleCalculator Class

DataReceivedEventArgs Class

DataReceivedEventHandler Delegate

Debug Class

DebuggableAttribute Class

DebuggableAttribute.DebuggingModes Enumeration

DebuggerBrowsableAttribute Class

DebuggerBrowsableState Enumeration

DebuggerDisplayAttribute Class

DebuggerHiddenAttribute Class

DebuggerNonUserCodeAttribute Class

DebuggerStepperBoundaryAttribute Class

DebuggerStepThroughAttribute Class

DebuggerTypeProxyAttribute Class

DebuggerVisualizerAttribute Class

DefaultTraceListener Class

DelimitedListTraceListener Class

DiagnosticsConfigurationHandler Class

EntryWrittenEventArgs Class

EntryWrittenEventHandler Delegate

EventInstance Class

EventLogEntry Class

EventLogEntryCollection Class

EventLogEntryType Enumeration

EventLogInstaller Class

EventLogPermission Class

EventLogPermissionAccess Enumeration

EventLogPermissionAttribute Class

EventLogPermissionEntry Class

EventLogPermissionEntryCollection Class

EventLogTraceListener Class

EventSchemaTraceListener Class

EventSourceCreationData Class

EventTypeFilter Class

FileVersionInfo Class

ICollectData Interface

InstanceData Class

InstanceDataCollection Class

InstanceDataCollectionCollection Class

MonitoringDescriptionAttribute Class

OverflowAction Enumeration

PerformanceCounter Class

PerformanceCounterCategory Class

PerformanceCounterCategoryType Enumeration

PerformanceCounterInstaller Class

PerformanceCounterInstanceLifetime Enumeration

PerformanceCounterManager Class

PerformanceCounterPermission Class

PerformanceCounterPermissionAccess Enumeration

PerformanceCounterPermissionAttribute Class

PerformanceCounterPermissionEntry Class

PerformanceCounterPermissionEntryCollection Class

PerformanceCounterType Enumeration

PresentationTraceLevel Enumeration

PresentationTraceSources Class

Process Class

ProcessModule Class

ProcessModuleCollection Class

ProcessPriorityClass Enumeration

ProcessStartInfo Class

ProcessThread Class

ProcessThreadCollection Class

ProcessWindowStyle Enumeration

SourceFilter Class

SourceLevels Enumeration

SourceSwitch Class

StackFrame Class

StackTrace Class

Stopwatch Class

Switch Class

SwitchAttribute Class

SwitchLevelAttribute Class

TextWriterTraceListener Class

ThreadPriorityLevel Enumeration

ThreadState Enumeration

ThreadWaitReason Enumeration

Trace Class

TraceEventCache Class

TraceEventType Enumeration

TraceFilter Class

TraceLevel Enumeration

TraceListener Class

TraceListenerCollection Class

TraceLogRetentionOption Enumeration

TraceOptions Enumeration

TraceSource Class

TraceSwitch Class

UnescapedXmlDiagnosticData Class

XmlWriterTraceListener Class

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SourceLevels Enumeration

.NET Framework 4.5

Specifies the levels of trace messages filtered by the source switch and event type filter.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

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

[FlagsAttribute]
public enum SourceLevels

	Member name	Description
	ActivityTracing	Allows the Stop, Start, Suspend, Transfer, and Resume events through.
	All	Allows all events through.
	Critical	Allows only Critical events through.
	Error	Allows Critical and Error events through.
	Information	Allows Critical, Error, Warning, and Information events through.
	Off	Does not allow any events through.
	Verbose	Allows Critical, Error, Warning, Information, and Verbose events through.
	Warning	Allows Critical, Error, and Warning events through.

The source levels identify the TraceEventType events that are to be traced. The SourceSwitch class uses the SourceLevels enumeration to define the event level of the trace message to use for filtering messages to send to the trace listener.

The EventTypeFilter class uses the SourceLevels enumeration to determine whether a trace listener should emit a trace.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

System.Diagnostics Namespace

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