netcoreapp3.0 
namespace System.Diagnostics
{
    public sealed class PerformanceCounter : Component, ISupportInitialize
    {
        [Obsolete("This field has been deprecated and is not used.  Use machine.config or an application configuration file to set the size of the PerformanceCounter file mapping.")]
        public static int DefaultFileMappingSize;
    }
}
.NET
5.06.07.08.09.010.0
.NET Core
2.02.12.23.03.1
.NET Framework
1.01.12.03.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
2.02.1
Information specific to netcoreapp3.0
Assembly

System.Diagnostics.PerformanceCounter , Version=4.0.1.0, PublicKeyToken=cc7b13ffcd2ddd51

Referencing

Requires any:

  • Requires all:

    • You need to build and run on Windows.

    • Requires any:

      • Your project needs to set <UseWindowsForms>True</UseWindowsForms>.

      • Your project needs to set <UseWPF>True</UseWPF>.

  • Your project needs a package reference to System.Diagnostics.PerformanceCounter.

Obsolete This field has been deprecated and is not used. Use machine.config or an application configuration file to set the size of the PerformanceCounter file mapping.
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API