第 1 页 共 8 页
程序二（第一题 Floyd 算法时间最优程序）：
using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Globalization;
using System.Collections;
using System.Windows.Forms.Design;
namespace model
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public struct line
{
public char price;
public char direct;
public int[,] stop;
}
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog fileDialog1 = new OpenFileDialog();
fileDialog1.InitialDirectory = "d:\";
fileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
fileDialog1.FilterIndex = 1;
fileDialog1.RestoreDirectory = true;
if (fileDialog1.ShowDialog() == DialogResult.OK)
{
textBox1.Text = fileDialog1.FileName;
}
else
{
textBox1.Text = "";
return;
}
