long memAvailable = GC.GetTotalMemory(false);
Console.WriteLine(“Before allocations: {0:N0}”, memAvailable);

int allocSizeObj = 40000000;
byte[] bigArrayObj = new byte[allocSizeObj];

memAvailable= GC.GetTotalMemory(false);
Console.WriteLine(“After allocations: {0:N0}”, memAvailable);

Before allocations: 651,064
After allocations: 40,690,080

Process procObj = Process.GetCurrentProcess();
Console.WriteLine(“Process Info: “+Environment.NewLine+
“App"s Private Memory Size : {0:N0}”+Environment.NewLine +
“App"s Virtual Memory Size : {1:N0}” + Environment.NewLine +
“App"s Working Set Size: {2:N0}” + Environment.NewLine +
“App"s Paged Memory Size: {3:N0}” + Environment.NewLine +
“App"s Paged System Memory Size: {4:N0}” + Environment.NewLine +
“App"s Non-paged System Memory Size: {5:N0}” + Environment.NewLine,
procObj.PrivateMemorySize64,
procObj.VirtualMemorySize64,
procObj.WorkingSet64,
procObj.PagedMemorySize64,
procObj.PagedSystemMemorySize64,
procObj.NonpagedSystemMemorySize64 );

Private Memory Size: 75,935,744
Virtual Memory Size: 590,348,288
Working Set Size: 29,364,224
Paged Memory Size: 75,935,744
Paged System Memory Size: 317,152
Non-paged System Memory Size: 37,388