C# Get used memory in %

Question

I\'ve created a performancecounter that can check the total memory usage in %, but the problem is that it doesn\'t give me the same value as in task manager shows me. for ex

Answer 1

Performance counters is not good idea. Use this code to get % of memory usage from Task Manager

var wmiObject = new ManagementObjectSearcher("select * from Win32_OperatingSystem");

var memoryValues = wmiObject.Get().Cast().Select(mo => new {
    FreePhysicalMemory = Double.Parse(mo["FreePhysicalMemory"].ToString()),
    TotalVisibleMemorySize = Double.Parse(mo["TotalVisibleMemorySize"].ToString())
}).FirstOrDefault();

if (memoryValues != null) {
    var percent = ((memoryValues.TotalVisibleMemorySize - memoryValues.FreePhysicalMemory) / memoryValues.TotalVisibleMemorySize) * 100;
}