C#创建并读取ini文件

1，首先导入命名空间：using System.Runtime.InteropServices;

2，声明API函数

[DllImport("kernel32")]

private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);

3,创建ini文件

WritePrivateProfileString("MyQQ", "ID", "798033502", @"C:\QQ.ini");

WritePrivateProfileString("MyQQ", "PWD", "**********", @"C:\QQ.ini");

4，声明API函数

[DllImport("kernel32")]

private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

5，读取ini文件

StringBuilder temp = new StringBuilder();

GetPrivateProfileString("MyQQ", "ID", "账号错误", temp, 255, @"C:\QQ.ini");

string ID = temp.ToString();

GetPrivateProfileString("MyQQ", "PWD", "读取出错", temp, 255, @"C:\QQ.ini");

string PWD = temp.ToString();

MessageBox.Show(ID + ":" + PWD);



6完整代码如下：

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 WindowsFormsApplication1

{

public partial class Main : Form

{

public Main()

{

InitializeComponent();

}

[DllImport("kernel32")]

private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);

private void button1_Click(object sender, EventArgs e)

{

WritePrivateProfileString("MyQQ", "ID", "798033502", @"C:\QQ.ini");

WritePrivateProfileString("MyQQ", "PWD", "**********", @"C:\QQ.ini");

}

[DllImport("kernel32")]

private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

private void btnRead_Click(object sender, EventArgs e)

{

StringBuilder temp = new StringBuilder();

GetPrivateProfileString("MyQQ", "ID", "账号错误", temp, 255, @"C:\QQ.ini");

string ID = temp.ToString();

GetPrivateProfileString("MyQQ", "PWD", "读取出错", temp, 255, @"C:\QQ.ini");

string PWD = temp.ToString();

MessageBox.Show(ID + ":" + PWD);

}

}

}

实例下载：http://download.csdn.net/detail/mypc2010/4426985