public void PerfCounterSet_Related_Instance() { PerfCounterSet counters = new PerfCounterSet(true, true, "Test_Related_Instance", "Test Help"); PerfCounter A1, B1, C1; PerfCounter A2, B2, C2; try { counters.Add(new PerfCounter("A", "A Help", PerformanceCounterType.NumberOfItems32)); counters.Add(new PerfCounter("B", "B Help", PerformanceCounterType.NumberOfItems32)); counters.Add(new PerfCounter("C", "C Help", PerformanceCounterType.NumberOfItems32)); counters.Relate("A", "C"); counters.Relate("B", "C"); counters.Install(); A1 = counters["A", "1"]; B1 = counters["B", "1"]; C1 = counters["C", "1"]; A2 = counters["A", "2"]; B2 = counters["B", "2"]; C2 = counters["C", "2"]; Assert.AreEqual(0, C1.RawValue); A1.Increment(); Assert.AreEqual(1, C1.RawValue); B1.IncrementBy(5); Assert.AreEqual(6, C1.RawValue); A1.Decrement(); Assert.AreEqual(5, C1.RawValue); Assert.AreEqual(0, C2.RawValue); A2.IncrementBy(100); Assert.AreEqual(100, C2.RawValue); B2.IncrementBy(100); Assert.AreEqual(200, C2.RawValue); } finally { counters.Uninstall(); } }