mRemoteNG/mRemoteV1/Tools/EnvironmentInfo.cs

using System;
using System.Diagnostics;
using System.Runtime.InteropServices;


namespace mRemoteNG.Tools
{
	public class EnvironmentInfo
	{
        public static bool IsWow64
		{
			get
			{
				Win32.IsWow64ProcessDelegate isWow64ProcessDelegate = GetIsWow64ProcessDelegate();
				if (isWow64ProcessDelegate == null)
				{
					return false;
				}
					
				bool isWow64Process = false;
				bool result = Convert.ToBoolean(isWow64ProcessDelegate.Invoke(Process.GetCurrentProcess().Handle, ref isWow64Process));
				if (!result)
				{
					return false;
				}
					
				return isWow64Process;
			}
		}
			
		private static Win32.IsWow64ProcessDelegate GetIsWow64ProcessDelegate()
		{
			IntPtr moduleHandle = Win32.LoadLibrary("kernel32");
			if (moduleHandle == IntPtr.Zero)
			{
				return null;
			}
				
			IntPtr functionPointer = Win32.GetProcAddress(moduleHandle, "IsWow64Process");
			if (functionPointer == IntPtr.Zero)
			{
				return null;
			}
			
			return (Win32.IsWow64ProcessDelegate)Marshal.GetDelegateForFunctionPointer(functionPointer, typeof(Win32.IsWow64ProcessDelegate));
		}
			
		protected class Win32
		{
			// ReSharper disable InconsistentNaming
			[DllImport("kernel32", CharSet = CharSet.Auto, SetLastError = true)]
            public static  extern IntPtr LoadLibrary([In(), MarshalAs(UnmanagedType.LPTStr)]string lpFileName);
				
			[DllImport("kernel32", ExactSpelling = true, CharSet = CharSet.Ansi, SetLastError = true)]
            public static  extern IntPtr GetProcAddress([In()]IntPtr hModule, [In(), MarshalAs(UnmanagedType.LPStr)]string lpProcName);
				
			public delegate bool  IsWow64ProcessDelegate([In()]IntPtr hProcess, ref bool Wow64Process);
			// ReSharper restore InconsistentNaming
		}
	}
}