pinvoke.net: Edit: coredll.getsysteminfo

@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$
@pinvoke=http://pinvoke.net/$$$.htm

Summary: TODO - a short description

!!!!C# Signature:
	[DllImport("kernel32", SetLastError = true)]
	public static extern void GetSystemInfo(out SYSTEM_INFO lpSystemInfo);

!!!!VB Signature:
	Declare Function GetSystemInfo Lib "coredll.dll" (ByVal lpSystemInfo AS SYSTEM_INFO)

!!!!VB Support Enumerations:
	Public Enum ProcessorArchitecture As Int16
		PROCESSOR_ARCHITECTURE_INTEL = 0
		PROCESSOR_ARCHITECTURE_MIPS = 1
		PROCESSOR_ARCHITECTURE_ALPHA = 2
		PROCESSOR_ARCHITECTURE_PPC = 3
		PROCESSOR_ARCHITECTURE_SHX = 4
		PROCESSOR_ARCHITECTURE_ARM = 5
		PROCESSOR_ARCHITECTURE_IA64 = 6
		PROCESSOR_ARCHITECTURE_ALPHA64 = 7
		PROCESSOR_ARCHITECTURE_UNKNOWN = &hFFFF;
	End Enum

SYSTEM_INFO@msdn on MSDN

/// <summary>
	/// http://msdn.microsoft.com/en-us/library/ms942639.aspx
	/// </summary>
	[StructLayout(LayoutKind.Sequential)]
	public struct SYSTEM_INFO_WCE30
	{
		[MarshalAs(UnmanagedType.U4)]
		public int dwOemId;
		[MarshalAs(UnmanagedType.U2)]
		public short wProcessorArch;
		[MarshalAs(UnmanagedType.U2)]
		public short wReserved;
		[MarshalAs(UnmanagedType.U4)]
		public int dwPageSize;
		public uint lpMinimumApplicationAddress;
		public uint lpMaximumApplicationAddress;
		[MarshalAs(UnmanagedType.U4)]
		public int dwActiveProcessorMask;
		[MarshalAs(UnmanagedType.U4)]
		public int dwNumberOfProcessors;
		[MarshalAs(UnmanagedType.U4)]
		public int dwProcessorType;
		[MarshalAs(UnmanagedType.U4)]
		public int dwAllocationGranularity;
		[MarshalAs(UnmanagedType.U2)]
		public short dwProcessorLevel;
		[MarshalAs(UnmanagedType.U2)]
		public short dwProcessorRevision;
	}

/// <summary>
	/// http://msdn.microsoft.com/en-us/library/aa450921.aspx
	/// </summary>
	[StructLayout(LayoutKind.Sequential)]
	public struct SYSTEM_INFO_WCE50
	{
		[MarshalAs(UnmanagedType.U2)]
		public short wProcessorArch;
		[MarshalAs(UnmanagedType.U2)]
		public short wReserved;
		[MarshalAs(UnmanagedType.U4)]
		public int dwPageSize;
		public uint lpMinimumApplicationAddress;
		public uint lpMaximumApplicationAddress;
		[MarshalAs(UnmanagedType.U4)]
		public int dwActiveProcessorMask;
		[MarshalAs(UnmanagedType.U4)]
		public int dwNumberOfProcessors;
		[MarshalAs(UnmanagedType.U4)]
		public int dwProcessorType;
		[MarshalAs(UnmanagedType.U4)]
		public int dwAllocationGranularity;
		[MarshalAs(UnmanagedType.U2)]
		public short dwProcessorLevel;
		[MarshalAs(UnmanagedType.U2)]
		public short dwProcessorRevision;
	}
!!!!Alternative Managed API:
Do you know one?  Please contribute it!

!!!!Notes:

!!!!Tips & Tricks:
Please add some!

!!!!Sample Code:
 using System;
 using System.Collections.Generic;
 using System.Text;
 using System.Runtime.InteropServices;
 namespace Test
 {

public enum ProcessorArchitecture : int 
	{
	 PROCESSOR_ARCHITECTURE_INTEL = 0,
	 PROCESSOR_ARCHITECTURE_MIPS = 1,
	 PROCESSOR_ARCHITECTURE_ALPHA = 2,
	 PROCESSOR_ARCHITECTURE_PPC = 3,
	 PROCESSOR_ARCHITECTURE_SHX = 4,
	 PROCESSOR_ARCHITECTURE_ARM = 5,
	 PROCESSOR_ARCHITECTURE_IA64 = 6,
	 PROCESSOR_ARCHITECTURE_ALPHA64 = 7,
	 PROCESSOR_ARCHITECTURE_UNKNOWN = 0xFFFF,
	}

public class SysInfo
    {
        [DllImport("kernel32", EntryPoint = "GetSystemInfo", SetLastError = true)]
        public static extern void GetSystemInfo30(out SYSTEM_INFO_WCE30 pSi);

[DllImport("kernel32", EntryPoint = "GetSystemInfo", SetLastError = true)]
        public static extern void GetSystemInfo50(out SYSTEM_INFO_WCE50 pSi);

public static ProcessorArchitecture GetProcessorArch()
        {
            if (Environment.OSVersion.Platform != PlatformID.WinCE)
                return ProcessorArchitecture.PROCESSOR_ARCHITECTURE_UNKNOWN; // probably no coredll
                
            if (Environment.OSVersion.Version.Major >= 5)
            {
                SYSTEM_INFO_WCE50 si;
                GetSystemInfo50(out si);
                return (ProcessorArchitecture)si.wProcessorArch;
            }
            else
            {
                SYSTEM_INFO_WCE30 si;
                GetSystemInfo30(out si);
                return (ProcessorArchitecture)si.wProcessorArch;
            }
        }
    }
Documentation: GetSystemInfo@msdn on MSDN