C sharp读取DXF文件.doc

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO; using System.Collections; namespace DXF { public partial class Form1 : Form { private FileStream fs; private StreamReader sr; private ArrayList LayerList = new ArrayList(); private ArrayList LineList = new ArrayList(); private ArrayList ArcList=new ArrayList(); private ArrayList EllipseList = new ArrayList(); private ArrayList LwopolylineList = new ArrayList(); private ArrayList SplineList=new ArrayList(); private string[] str = new string[2]; private int count; private double leftx; private double lefty; private double rightx; private double righty; public Form1() { InitializeComponent(); } private string[] ReadPair() { string code = sr.ReadLine().Trim(); string codedata = sr.ReadLine().Trim(); count += 2; string[] result = new string[2] { code, codedata }; return result; } private void Read() { while (sr.Peek() != -1) { str = ReadPair(); if (str[1] == SECTION) { str = ReadPair(); switch (str[1]) { case HEADER: ReadHeader(); break; case TABLES: ReadTable(); break; case ENTITIES: ReadEntities(); break; } } } sr.Close(); fs.Close(); btDraw.Enabled = true; label1.Text = count.ToString(); count = 0; } private void ReadTable() {