c# 如何读取和写入ini(配置文件)

using System;

using System.IO;

using System.Runtime.InteropServices;

using System.Text;

namespace SendEmailSpace

{

/// <summary>

/// iniClass 的摘要说明。

/// </summary>

// TODO: 在此处添加构造函数逻辑

public class INIClass

{

public string 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);

/// <summary>

/// 构造方法

/// </summary>

/// <param name="INIPath">文件路径</param>

public INIClass(string INIPath)

{

inipath = INIPath;

}

/// <summary>

/// 写入INI文件

/// </summary>

/// <param name="Section">项目名称(如 [TypeName] )</param>

/// <param name="Key">键</param>

/// <param name="Value">值</param>

public void IniWriteValue(string Section, string Key, string Value)

{

WritePrivateProfileString(Section, Key, Value, this.inipath);

}

/// <summary>

/// 读出INI文件

/// </summary>

/// <param name="Section">项目名称(如 [TypeName] )</param>

/// <param name="Key">键</param>

public string IniReadValue(string Section, string Key)

{

StringBuilder temp = new StringBuilder(500);

int i = GetPrivateProfileString(Section, Key, "", temp, 500, this.inipath);

return temp.ToString();

}

/// <summary>

/// 验证文件是否存在

/// </summary>

/// <returns>布尔值</returns>

public bool ExistINIFile()

{

return File.Exists(inipath);

}

}

//

}