netcoreapp3.1 
namespace System.Diagnostics
{
    public sealed class PerformanceCounterCategory
    {
        public static bool InstanceExists(string instanceName, string categoryName, string machineName);
    }
}
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Reference this API
.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 netcoreapp3.1
Assembly

System.Diagnostics.PerformanceCounter , Version=4.0.2.0, 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.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API