using System;

using System.Runtime.InteropServices;

namespace DataService

{

[StructLayout(LayoutKind.Sequential)]

public struct DeviceAddress : IComparable<DeviceAddress>

{

public int Area;

public int Start;

public ushort DBNumber;

public ushort DataSize;

public ushort CacheIndex;

public byte Bit;

public DataType VarType;

public ByteOrder ByteOrder;

public DeviceAddress(int area, ushort dbnumber, ushort cIndex, int start, ushort size, byte bit, DataType type, ByteOrder order = ByteOrder.None)

{

Area = area;

DBNumber = dbnumber;

CacheIndex = cIndex;

Start = start;

DataSize = size;

Bit = bit;

VarType = type;

ByteOrder = order;

}

public static readonly DeviceAddress Empty = new DeviceAddress(0, 0, 0, 0, 0, 0, DataType.NONE);

public int CompareTo(DeviceAddress other)

{

return this.Area > other.Area ? 1 :

this.Area < other.Area ? -1 :

this.DBNumber > other.DBNumber ? 1 :

this.DBNumber < other.DBNumber ? -1 :

this.Start > other.Start ? 1 :

this.Start < other.Start ? -1 :

this.Bit > other.Bit ? 1 :

this.Bit < other.Bit ? -1 : 0;

}

}

}