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Process.WorkingSet Property

Definition

Caution

This property has been deprecated. Please use System.Diagnostics.Process.WorkingSet64 instead. https://go.microsoft.com/fwlink/?linkid=14202

Caution

Process.WorkingSet has been deprecated because the type of the property can't represent all valid results. Use System.Diagnostics.Process.WorkingSet64 instead.

Caution

This property has been deprecated. Please use System.Diagnostics.Process.WorkingSet64 instead. http://go.microsoft.com/fwlink/?linkid=14202

Gets the associated process's physical memory usage, in bytes.

public:
 property int WorkingSet { int get(); };
[System.Obsolete("This property has been deprecated.  Please use System.Diagnostics.Process.WorkingSet64 instead.  https://go.microsoft.com/fwlink/?linkid=14202")]
public int WorkingSet { get; }
[System.Obsolete("Process.WorkingSet has been deprecated because the type of the property can't represent all valid results. Use System.Diagnostics.Process.WorkingSet64 instead.")]
public int WorkingSet { get; }
[System.Obsolete("This property has been deprecated.  Please use System.Diagnostics.Process.WorkingSet64 instead.  http://go.microsoft.com/fwlink/?linkid=14202")]
public int WorkingSet { get; }
public int WorkingSet { get; }
[<System.Obsolete("This property has been deprecated.  Please use System.Diagnostics.Process.WorkingSet64 instead.  https://go.microsoft.com/fwlink/?linkid=14202")>]
member this.WorkingSet : int
[<System.Obsolete("Process.WorkingSet has been deprecated because the type of the property can't represent all valid results. Use System.Diagnostics.Process.WorkingSet64 instead.")>]
member this.WorkingSet : int
[<System.Obsolete("This property has been deprecated.  Please use System.Diagnostics.Process.WorkingSet64 instead.  http://go.microsoft.com/fwlink/?linkid=14202")>]
member this.WorkingSet : int
member this.WorkingSet : int
Public ReadOnly Property WorkingSet As Integer

Property Value

The total amount of physical memory the associated process is using, in bytes.

Attributes

Examples

The following example starts an instance of Notepad. The example then retrieves and displays various properties of the associated process. The example detects when the process exits, and displays the process' exit code.

#using <System.dll>

using namespace System;
using namespace System::Diagnostics;
using namespace System::Threading;
int main()
{
   try
   {
      Process^ myProcess;
      myProcess = Process::Start( "NotePad.exe" );
      while (  !myProcess->HasExited )
      {
         Console::WriteLine();
         
         // Get physical memory usage of the associated process.
         Console::WriteLine( "Process's physical memory usage: {0}", myProcess->WorkingSet.ToString() );
         
         // Get base priority of the associated process.
         Console::WriteLine( "Base priority of the associated process: {0}", myProcess->BasePriority.ToString() );
         
         // Get priority class of the associated process.
         Console::WriteLine(  "Priority class of the associated process: {0}", myProcess->PriorityClass );
         
         // Get user processor time for this process.
         Console::WriteLine( "User Processor Time: {0}", myProcess->UserProcessorTime.ToString() );
         
         // Get privileged processor time for this process.
         Console::WriteLine( "Privileged Processor Time: {0}", myProcess->PrivilegedProcessorTime.ToString() );
         
         // Get total processor time for this process.
         Console::WriteLine( "Total Processor Time: {0}", myProcess->TotalProcessorTime.ToString() );
         
         // Invoke overloaded ToString function.
         Console::WriteLine( "Process's Name: {0}", myProcess->ToString() );
         Console::WriteLine( "-------------------------------------" );
         if ( myProcess->Responding )
         {
            Console::WriteLine( "Status:  Responding to user interface" );
            myProcess->Refresh();
         }
         else
         {
            Console::WriteLine( "Status:  Not Responding" );
         }
         Thread::Sleep( 1000 );
      }
      Console::WriteLine();
      Console::WriteLine(  "Process exit code: {0}", myProcess->ExitCode.ToString() );
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "The following exception was raised:  {0}", e->Message );
   }

}
using System;
using System.Diagnostics;
using System.Threading;

namespace ProcessSample
{
    class MyProcessClass
    {
        public static void Main()
        {
            try
            {
                using (Process myProcess = Process.Start("NotePad.exe"))
                {
                    while (!myProcess.HasExited)
                    {
                        Console.WriteLine();

                        Console.WriteLine($"Physical memory usage     : {myProcess.WorkingSet}");
                        Console.WriteLine($"Base priority             : {myProcess.BasePriority}");
                        Console.WriteLine($"Priority class            : {myProcess.PriorityClass}");
                        Console.WriteLine($"User processor time       : {myProcess.UserProcessorTime}");
                        Console.WriteLine($"Privileged processor time : {myProcess.PrivilegedProcessorTime}");
                        Console.WriteLine($"Total processor time      : {myProcess.TotalProcessorTime}");
                        Console.WriteLine($"Process's Name            : {myProcess}");
                        Console.WriteLine("-------------------------------------");

                        if (myProcess.Responding)
                        {
                            Console.WriteLine("Status:  Responding to user interface");
                            myProcess.Refresh();
                        }
                        else
                        {
                            Console.WriteLine("Status:  Not Responding");
                        }

                        Thread.Sleep(1000);
                    }

                    Console.WriteLine();
                    Console.WriteLine($"Process exit code: {myProcess.ExitCode}");
                }
            }
            catch (Exception e)
            {
                Console.WriteLine($"The following exception was raised: {e.Message}");
            }
        }
    }
}
open System.Diagnostics
open System.Threading

try
    use myProcess = Process.Start "NotePad.exe"

    while not myProcess.HasExited do
        printfn ""

        printfn $"Physical memory usage     : {myProcess.WorkingSet64}"
        printfn $"Base priority             : {myProcess.BasePriority}"
        printfn $"Priority class            : {myProcess.PriorityClass}"
        printfn $"User processor time       : {myProcess.UserProcessorTime}"
        printfn $"Privileged processor time : {myProcess.PrivilegedProcessorTime}"
        printfn $"Total processor time      : {myProcess.TotalProcessorTime}"
        printfn $"Process's Name            : {myProcess}"
        printfn "-------------------------------------"

        if myProcess.Responding then
            printfn "Status:  Responding to user interface"
            myProcess.Refresh()
        else
            printfn "Status:  Not Responding"

        Thread.Sleep 1000

    printfn ""
    printfn $"Process exit code: {myProcess.ExitCode}"
with e ->
    printfn $"The following exception was raised: {e.Message}"
Imports System.Diagnostics
Imports System.Threading

Namespace Process_Sample
    Class MyProcessClass

        Public Shared Sub Main()
            Try

                Using myProcess = Process.Start("NotePad.exe")

                    While Not myProcess.HasExited

                        Console.WriteLine()

                        Console.WriteLine($"Process's physical memory usage          : {myProcess.WorkingSet}")
                        Console.WriteLine($"Base priority of the associated process  : {myProcess.BasePriority}")
                        Console.WriteLine($"Priority class of the associated process : {myProcess.PriorityClass}")
                        Console.WriteLine($"User processor time                      : {myProcess.UserProcessorTime}")
                        Console.WriteLine($"Privileged processor time                : {myProcess.PrivilegedProcessorTime}")
                        Console.WriteLine($"Total processor time                     : {myProcess.TotalProcessorTime}")
                        Console.WriteLine($"Process's name                           : {myProcess}")
                        Console.WriteLine("-------------------------------------")

                        If myProcess.Responding Then
                            Console.WriteLine("Status:  Responding to user interface")
                            myProcess.Refresh()
                        Else
                            Console.WriteLine("Status:  Not Responding")
                        End If
                        Thread.Sleep(1000)
                    End While

                    Console.WriteLine()
                    Console.WriteLine($"Process exit code: {myProcess.ExitCode}")
                End Using

            Catch e As Exception
                Console.WriteLine($"The following exception was raised: {e.Message}")
            End Try
        End Sub
    End Class
End Namespace 'Process_Sample

Remarks

The value returned by this property represents the most recently refreshed size of working set memory used by the process, in bytes. To get the most up to date size, you need to call Refresh() method first.

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 the process modules and the system libraries.

Applies to

See also