using System;
using System.Runtime.InteropServices;
using System.Text;
namespace DotNet.Utilities
{
  /// <summary>
  /// INI文件读写类。
  /// </summary>
  public class INIFile
  {
    public string path;
    public INIFile(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"></param>
    /// <param name="Key"></param>
    /// <param name="Value"></param>
    public void IniWriteValue(string Section,string Key,string Value)
    {
      WritePrivateProfileString(Section,Key,Value,this.path);
    }
    /// <summary>
    /// 读取INI文件
    /// </summary>
    /// <param name="Section"></param>
    /// <param name="Key"></param>
    /// <returns></returns>
    public string IniReadValue(string Section,string Key)
    {
      StringBuilder temp = new StringBuilder(255);
      int i = GetPrivateProfileString(Section,Key,"",temp, 255, this.path);
      return temp.ToString();
    }
    public byte[] IniReadValues(string section, string key)
    {
      byte[] temp = new byte[255];
      int i = GetPrivateProfileString(section, key, "", temp, 255, this.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personal段落下的所有键
    /// </summary>
    /// <param name="Section"></param>
    public void ClearSection(string Section)
    {
      IniWriteValue(Section,null,null);
    }
  }
}