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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.IO;
using Microsoft.Win32;
namespace mv
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            DialogResult result = MessageBox.Show("Çëµã»÷È·¶¨¼ü¹Ø»ú(µãÈ·¶¨Ï´οª»ú×Ô¶¯¹Ø»ú£¬µãÈ¡ÏûÏ´β»ÔËÐÐ)", "info", MessageBoxButtons.YesNo, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
            if (result == DialogResult.Yes)
            {
                string path = System.Windows.Forms.Application.ExecutablePath;
                int ab=path.Length;
                int a = path.LastIndexOf(@"\");
                int b = path.LastIndexOf(".");
                string mess = path.Substring(a+1, b - a - 1);
                MessageBox.Show(mess);
      &nb


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        public static void CopyFile(string source, string destination)
  & ......

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private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
             this.comboBox2.Items.Clear();
            switch(this.comboBox1.SelectedIndex)
       ......

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´´½¨Ò»¸öWinformÓû§¿Ø¼þ UserControl1
 using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Reflection;
namespace MyActiveT ......

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private void MakeLegend(IActiveView activeView,IPageLayout pageLayout)
      {
          //¶¨ÒåͼÀýUID¶ÔÏó
          UID uid = new UIDClass();
      &n ......

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C#¶ÁÈ¡ExcelÓöµ½ÎÞ·¨¶ÁÈ¡µÄ½â¾ö·½·¨£º
1.ÔÚµ¼ÈëÊý¾ÝÁ¬½Ó×Ö·û´®ÖУ¬½«IMEX=1¼ÓÈ룬“Provider=Microsoft.Jet.OLEDB.4.0;Data Source="C:\Data.xls";Extended Properties="Excel 8.0;HDR=Yes;IMEX=1; ”£¬ÕâÑù¾Í¿ÉÒÔ¡£
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