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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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ThreadState Enumeration

.NET Framework 4.5

Specifies the current execution state of the thread.

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

public enum ThreadState

	Member name	Description
	Initialized	A state that indicates the thread has been initialized, but has not yet started.
	Ready	A state that indicates the thread is waiting to use a processor because no processor is free. The thread is prepared to run on the next available processor.
	Running	A state that indicates the thread is currently using a processor.
	Standby	A state that indicates the thread is about to use a processor. Only one thread can be in this state at a time.
	Terminated	A state that indicates the thread has finished executing and has exited.
	Transition	A state that indicates the thread is waiting for a resource, other than the processor, before it can execute. For example, it might be waiting for its execution stack to be paged in from disk.
	Unknown	The state of the thread is unknown.
	Wait	A state that indicates the thread is not ready to use the processor because it is waiting for a peripheral operation to complete or a resource to become free. When the thread is ready, it will be rescheduled.

Important
There are two thread state enumerations, System.Diagnostics.ThreadState and System.Threading.ThreadState. The thread state enumerations are only of interest in a few debugging scenarios. Your code should never use thread state to synchronize the activities of threads.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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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