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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 Value

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


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 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

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