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

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

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, 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.

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