using System;
using System.Collections.Generic;
using System.Text;
using System.IO;


using System.Data.Odbc;  //add by hand,which is needed when load the layer attribute information
using System.Data.OleDb;
using System.Collections;
using System.Data;
using System.Xml;


namespace CGCL.CGFiles
{
    public class CGShapeFileParser
    {
        public class ESRI_ShxHeader
        {
            int FileCode; //9994
            int[] Unused2 = new int[5];
            int FileLength;
            int Version; //1000
            int ShapeType; // 0- Null shape
            // 1- Point
            // 3-Arc
            // 5-Polygon
            // 8-MultiPoint
            double XMin;
            double YMin;
            double XMax;
            double YMax;
            int[] Unused3 = new int[8];
        }

        class ESRI_ShapeFile
        {
            int FileCode; //9994
            int[] Unused = new int[5];
            int FileLength;
            int Version; //1000
            int ShapeType; // 0- Null shape
            // 1- Point
            // 3-Arc
            // 5-Polygon
            // 8-MultiPoint
            double XMin;
            double YMin;
            double XMax;
            double YMax;
            int[] Unused1 = new int[8];
        }


        class ESRI_RecordHeader
        {
            int RecNumber;
            int ContentLength;
        }

        class ESRI_PointContent
        {
            int ShapeType;
            double X;
            double Y;
        }
        class ESRI_IndexRec//索引文件
        {
            int Offset;
            int ContentLen;
        }

        class ESRI_ArcContent
        {
            int ShapeType;
            double xmin;
            double ymin;
            double xmax;
            double ymax;
            int NumParts;
            int NumPoints;
        }

        class ESRI_PolygonContent
        {
            int S
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