How can I get the total physical memory in C#?

Question

I am using the GlobalMemoryStatusEx function to retrieve information about memory, but this function doesn\'t work correctly. It returns 0 for all properties. I

Answer 1

You forgot to set statEX.dwLength before calling GlobalMemoryStatusEx.

MEMORYSTATUSEX statEX = new MEMORYSTATUSEX();
statEX.dwLength = (uint)Marshal.SizeOf(typeof(MEMORYSTATUSEX));
GlobalMemoryStatusEx(ref statEX);