private static void updateUsedMemoryCounter(PdhCounterPathElement pathElement)
{
MEMORYSTATUSEX memStatus = new MEMORYSTATUSEX();
if (Interop.Interop.GlobalMemoryStatusEx(memStatus))
{
ulong installedMemory = memStatus.ullTotalPhys / 1024 / 1024;
PerformanceCounter usedMemCounter = pathElement.InstanceName == null ?
new PerformanceCounter(pathElement.ObjectName, pathElement.CounterName, true) :
new PerformanceCounter(pathElement.ObjectName, pathElement.CounterName, pathElement.InstanceName, true);
var itr = _handler.GetPathElements(new List<string>() { "\\Memory\\Available MBytes" });
var pe = itr.ElementAt(0);
PerformanceCounter availMem = pathElement.InstanceName == null ?
new PerformanceCounter(pe.ObjectName, pe.CounterName, true) :
new PerformanceCounter(pe.ObjectName, pe.CounterName, pe.InstanceName, true);
usedMemCounter.ReadOnly = false;
usedMemCounter.RawValue = (long)(installedMemory - Convert.ToUInt64(availMem.NextValue()));
usedMemCounter.Close();
}
}
