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Process.PeakWorkingSet Property

Note: This API is now obsolete.

Gets the peak working set size for the associated process.

Namespace:  System.Diagnostics
Assembly:  System (in System.dll)
[ObsoleteAttribute("This property has been deprecated.  Please use System.Diagnostics.Process.PeakWorkingSet64 instead.  http://go.microsoft.com/fwlink/?linkid=14202")]
public int PeakWorkingSet { get; }

Property Value

Type: System.Int32
The maximum amount of physical memory that the associated process has required all at once, in
bytes.
ExceptionCondition
PlatformNotSupportedException

The platform is Windows 98 or Windows Millennium Edition (Windows Me), which does not support this property.

The working set of a process is the set of memory pages currently visible to the process in physical RAM memory. These pages are resident and available for an application to use without triggering a page fault.

The working set includes both shared and private data. The shared data includes the pages that contain all the instructions that the process executes, including process modules and the system libraries.

.NET Framework

Supported in: 1.1, 1.0
Obsolete (compiler warning) in 4
Obsolete (compiler warning) in 3.5
Obsolete (compiler warning) in 3.5 SP1
Obsolete (compiler warning) in 3.0
Obsolete (compiler warning) in 3.0 SP1
Obsolete (compiler warning) in 3.0 SP2
Obsolete (compiler warning) in 2.0
Obsolete (compiler warning) in 2.0 SP1
Obsolete (compiler warning) in 2.0 SP2

.NET Framework Client Profile

Obsolete (compiler warning) in 4
Obsolete (compiler warning) in 3.5 SP1
  • LinkDemand 

    for full trust for the immediate caller. This member cannot be used by partially trusted code.

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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