using System;
using System.Text;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Permissions;

namespace Mesnac.Equip.AllenBradley.AB5000.Net
{
    public class DTL32
    {
        public struct DtlDriver
        {
            public ushort wType;
            public ushort wLength;
            public ushort wMfgMask;
            public ushort wNetworkType;
            public ushort wDriverID;
            public ushort wDstDriverID;
            public uint dwHandle;
            public uint dwStation;
            public uint dwMaxStation;
            public ushort wCapabilities;
            public ushort wMTU;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
            public char[] szDriverName;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
            public char[] szDriverAlias;
            public byte bAddrRadix;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
            public byte[] bReserved;
        }
        private class DllImport
        {
            [DllImport("DTL32.dll")]
            public extern static int DTL_INIT(uint id);
            [DllImport("DTL32.dll")]
            public extern static int DTL_UNINIT(uint dwError);
            [DllImport("DTL32.dll")]
            public extern static int DTL_DRIVER_LIST(IntPtr dtlDriver, ref uint drivers, int timeout);
            [DllImport("DTL32.dll")]
            public extern static int DTL_DRIVER_OPEN(uint id, string name, int timeout);
            [DllImport("DTL32.dll")]
            public extern static int DTL_DRIVER_CLOSE(uint id, int timeout);
            [DllImport("DTL32.dll")]
            public extern static int DTL_C_DEFINE(ref uint id, StringBuilder defString);
            [DllImport("DTL32.dll")]
            public extern static int DTL_UNDEF(uint id);
            [DllImport("DTL32.dll")]
            public extern static int DTL_READ_W(uint name_id, ushort[] buff, ref int state, int timeout);
            [DllImport("DTL32.dll")]
            public extern static int DTL_WRITE_W(uint name_id, ushort[] buff, ref int state, int timeout);
        }

        public static int DTL_INIT(uint tableSize)
        {
            new UIPermission(UIPermissionWindow.AllWindows).Demand();
            return DllImport.DTL_INIT(tableSize);
        }
        public static int DTL_UNINIT(uint dwError)
        {
            new UIPermission(UIPermissionWindow.AllWindows).Demand();
            return DllImport.DTL_UNINIT(dwError);
        }
        public static int DTL_DRIVER_LIST(IntPtr dtlDriver, ref uint drivers, int timeout)
        {
            new UIPermission(UIPermissionWindow.AllWindows).Demand();
            return DllImport.DTL_DRIVER_LIST(dtlDriver, ref drivers, timeout);
        }
        public static int DTL_DRIVER_OPEN(uint id, string name, int timeout)
        {
            new UIPermission(UIPermissionWindow.AllWindows).Demand();
            return DllImport.DTL_DRIVER_OPEN(id, name, timeout);
        }
        public static int DTL_DRIVER_CLOSE(uint id, int timeout)
        {
            new UIPermission(UIPermissionWindow.AllWindows).Demand();
            return DllImport.DTL_DRIVER_CLOSE(id, timeout);
        }
        public static int DTL_C_DEFINE(ref uint id, string defString)
        {
            new UIPermission(UIPermissionWindow.AllWindows).Demand();
            StringBuilder def = new StringBuilder();
            def.Append(defString);
            return DllImport.DTL_C_DEFINE(ref id, def);
        }
        public static int DTL_UNDEF(uint id)
        {
            new UIPermission(UIPermissionWindow.AllWindows).Demand();
            return DllImport.DTL_UNDEF(id);
        }
        public static int DTL_READ_W(uint name_id, ushort[] buff, ref int state, int timeout)
        {
            new UIPermission(UIPermissionWindow.AllWindows).Demand();
            return DllImport.DTL_READ_W(name_id, buff, ref state, timeout);
        }
        public static int DTL_WRITE_W(uint name_id, ushort[] buff, ref int state, int timeout)
        {
            new UIPermission(UIPermissionWindow.AllWindows).Demand();
            return DllImport.DTL_WRITE_W(name_id, buff, ref state, timeout);
        }




    }
}