C#常用操作类库二（ini配置文件读写）

public class IniHelper
{
//文件INI名称
public string Path;

/**/////声明读写INI文件的API函数
[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);

//类的构造函数，传递INI文件名
public IniHelper(string inipath)
{
//
// TODO: Add constructor logic here
//
Path = inipath;
}

//写INI文件
public void WriteValue(string section, string key, string value)
{
WritePrivateProfileString(section, key, value, this.Path);

}

//读取INI文件指定
public string ReadValue(string section, string key)
{
StringBuilder temp = new StringBuilder(255);
int i = GetPrivateProfileString(section, key, "", temp, 255, this.Path);
return temp.ToString();

}
/**//// <summary>
/// 验证文件是否存在
/// </summary>
/// <returns>布尔值</returns>
public bool ExistFile()
{
return File.Exists(this.Path);
}

/// <summary>
/// 删除ini文件下所有段落
/// </summary>
public void ClearAllSection()
{
WriteValue(null, null, null);
}
/// <summary>
/// 删除ini文件下personal段落下的所有键
/// </summary>
/// <param name="Section"></param>
public void ClearSection(string Section)
{
WriteValue(Section, null, null);
}

}