c# performance counter ram usage code example
Example: c# how to get ram usage on system
ObjectQuery wql = new ObjectQuery("SELECT * FROM Win32_OperatingSystem");
ManagementObjectSearcher searcher = new ManagementObjectSearcher(wql);
ManagementObjectCollection results = searcher.Get();
foreach (ManagementObject result in results)
{
Console.WriteLine("Total Visible Memory: {0} KB", result["TotalVisibleMemorySize"]);
Console.WriteLine("Free Physical Memory: {0} KB", result["FreePhysicalMemory"]);
Console.WriteLine("Total Virtual Memory: {0} KB", result["TotalVirtualMemorySize"]);
Console.WriteLine("Free Virtual Memory: {0} KB", result["FreeVirtualMemory"]);
}