winform INI文件操作辅助类

using System;
using System.Runtime.InteropServices;
using System.Text;

namespace connectCMCC.Utils
{
/// <summary>
/// INI文件操作辅助类
/// </summary>
public class IniFileUtil
{
public string path;

/// <summary>
/// 传入INI文件路径构造对象
/// </summary>
/// <param name="iniPath">INI文件路径</param>
public IniFileUtil(string iniPath)
{
path = iniPath;
}

[DllImport("kernel32")]
private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);

[DllImport("kernel32")]
private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal,
int size, string filePath);

[DllImport("kernel32")]
private static extern int GetPrivateProfileString(string section, string key, string defVal, Byte[] retVal,
int size, string filePath);

/// <summary>
/// 写INI文件
/// </summary>
/// <param name="section">分组节点</param>
/// <param name="key">关键字</param>
/// <param name="value">值</param>
public void IniWriteValue(string section, string key, string value)
{
WritePrivateProfileString(section, key, value, path);
}

/// <summary>
/// 读取INI文件
/// </summary>
/// <param name="section">分组节点</param>
/// <param name="key">关键字</param>
/// <returns></returns>
public string IniReadValue(string section, string key)
{
var temp = new StringBuilder(255);
int i = GetPrivateProfileString(section, key, "", temp, 255, path);
return temp.ToString();
}

public byte[] IniReadValues(string section, string key)
{
var temp = new byte[255];
int i = GetPrivateProfileString(section, key, "", temp, 255, path);
return temp;
}

/// <summary>
/// 删除ini文件下所有段落
/// </summary>
public void ClearAllSection()
{
IniWriteValue(null, null, null);
}

/// <summary>
/// 删除ini文件下指定段落下的所有键
/// </summary>
/// <param name="section"></param>
public void ClearSection(string section)
{
IniWriteValue(section, null, null);
}
}
}