Conditions for C#

1. If current process is 64 bit?

             returnIntPtr.Size == 8;

1. If current OS has Wow64     function?

           [DllImport("kernel32.dll", CharSet = CharSet.Unicode)]

            public extern static IntPtrGetModuleHandle(string moduleName);

           [DllImport("kernel32.dll", CharSet = CharSet.Ansi,BestFitMapping = false, SetLastError = true)]

            public extern static IntPtrGetProcAddress(IntPtr hModule, string methodName);

            return GetModuleHandle("kernel32.dll")!= IntPtr.Zero;

1. If current OS is 64 bit?

          [DllImport("kernel32.dll",SetLastError = true)]

            [return:MarshalAs(UnmanagedType.Bool)]

            public extern static boolIsWow64Process(IntPtr hProcess, [MarshalAs(UnmanagedType.Bool)] out boolisWow64);

           [DllImport("kernel32.dll", CharSet = CharSet.Auto,SetLastError = true)]

            public extern static IntPtrGetCurrentProcess();

            bool is64Bit;

            If(!IsWow64Process(GetCurrentProcess(),out is64Bit)) return is64Bit;

1. If current computer is local?

          return((String.Compare(computerName, "localhost",StringComparison.OrdinalIgnoreCase) == 0)

                    ||(String.Compare(computerName, "127.0.0.1",StringComparison.OrdinalIgnoreCase) == 0)

                    ||(String.Compare(computerName, "::1",StringComparison.OrdinalIgnoreCase) == 0)

                    ||(String.Compare(computerName, Environment.MachineName,StringComparison.OrdinalIgnoreCase) == 0)

                    ||(String.Compare(Dns.GetHostEntry(computerName).HostName ,Dns.GetHostEntry("localhost").HostName,StringComparison.OrdinalIgnoreCase)== 0));