C#操作INI配置文件示例详解

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace WindowsFormsApplication3

{

  public partial class Form1 : Form

  {

    public Form1()

    {

      InitializeComponent();

    }

 

    [DllImport("kernel32.dll")]

    private static extern long WritePrivateProfileString(string section, string key, string value, string filepath);

 

    [DllImport("kernel32.dll")]

    private static extern int GetPrivateProfileString(string section,string key,string def,StringBuilder returnvalue,intbuffersize,string filepath);

 

    private string IniFilePath;
    private void Form1_Load(object sender, EventArgs e)

    {

      comboBox1.Text = "男";

      for (int i = 1; i <= 100; i++)

      {

        comboBox2.Items.Add(i.ToString());

      }

      comboBox2.Text = "18";

      IniFilePath = Application.StartupPath + "\\Config.ini";

    }

 

    private void button1_Click(object sender, EventArgs e)
    {
      if ((textBox1.Text.Trim() != "") && (textBox2.Text.Trim() != ""))
      {
        string Section = "Information";
        try

        {

          WritePrivateProfileString(Section, "Name", textBox1.Text.Trim(), IniFilePath);
          WritePrivateProfileString(Section, "Gender", comboBox1.Text, IniFilePath);
          WritePrivateProfileString(Section, "Age", comboBox2.Text, IniFilePath);
          WritePrivateProfileString(Section, "Region", textBox2.Text.Trim(), IniFilePath);

        }
        catch (Exception ee)

        {

          MessageBox.Show(ee.Message);

        }
      }

      else

      {

        MessageBox.Show("姓名或地区不能为空！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);

      }
    }

 

    private void button2_Click(object sender, EventArgs e)
    {
      string outString;
      try

      {
        GetValue("Information", "Name", out outString);
        textBox1.Text = outString;
        GetValue("Information", "Gender", out outString);
        comboBox1.Text = outString;
        GetValue("Information", "Age", out outString);
        comboBox2.Text = outString;
        GetValue("Information", "Region", out outString);
        textBox2.Text = outString;

      }

      catch (Exception ee)

      {

        MessageBox.Show(ee.Message);

      }

 

    }

 

    private void GetValue(string section,string key, out string value)
    {

      StringBuilder stringBuilder = new StringBuilder();
      GetPrivateProfileString(section, key, "", stringBuilder, 1024, IniFilePath);
      value = stringBuilder.ToString();

    }

 

    private void button3_Click(object sender, EventArgs e)

    {
      textBox1.Text = "";
      comboBox1.Text = "男";
      comboBox2.Text = "18";
      textBox2.Text = "";
    }

  }

}