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ThreadWaitReason Enumeration

Specifies the reason a thread is waiting.

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

public enum ThreadWaitReason

Member nameDescription
ExecutiveThe thread is waiting for the scheduler.
FreePageThe thread is waiting for a free virtual memory page.
PageInThe thread is waiting for a virtual memory page to arrive in memory.
SystemAllocationThe thread is waiting for system allocation.
ExecutionDelayThread execution is delayed.
SuspendedThread execution is suspended.
UserRequestThe thread is waiting for a user request.
EventPairHighThe thread is waiting for event pair high.
EventPairLowThe thread is waiting for event pair low.
LpcReceiveThe thread is waiting for a local procedure call to arrive.
LpcReplyThe thread is waiting for reply to a local procedure call to arrive.
VirtualMemoryThe thread is waiting for the system to allocate virtual memory.
PageOutThe thread is waiting for a virtual memory page to be written to disk.
UnknownThe thread is waiting for an unknown reason.

The thread wait reason is only valid when the ThreadState is Wait.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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