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ProcessThread.PriorityLevel Property

Gets or sets the priority level of the thread.

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

public ThreadPriorityLevel PriorityLevel { get; set; }
/** @property */
public ThreadPriorityLevel get_PriorityLevel ()

/** @property */
public void set_PriorityLevel (ThreadPriorityLevel value)

public function get PriorityLevel () : ThreadPriorityLevel

public function set PriorityLevel (value : ThreadPriorityLevel)

Property Value

One of the ThreadPriorityLevel values, specifying a range that bounds the thread's priority.

Exception typeCondition


The thread priority level information could not be retrieved.


The thread priority level could not be set.


The platform is Windows 98 or Windows Millennium Edition.


The process is on a remote computer.

The priority level is not a single value, but rather a range of values. The operating system computes the thread's base priority by using the process's PriorityClass to choose a value from the range specified in the PriorityLevel property.

Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0