/// 
  /// 操作INI文件类   /// 
  public class IniFile  {      const int DATA_SIZE = 1024;      private string _path; //INI档案名       public string IniPath { get { return _path; } set { _path = value; } }      [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]      public struct STRINGBUFFER      {          [MarshalAs(UnmanagedType.ByValTStr, SizeConst = DATA_SIZE)]          public string szText;      }      //读写INI文件的API函数       [DllImport("kernel32", CharSet = CharSet.Auto)]      private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);      [DllImport("kernel32", CharSet = CharSet.Auto)]      private static extern int GetPrivateProfileString(string section, string key, string def, out STRINGBUFFER retVal, int size, string filePath);      //类的构造函数，传递INI档案名       public IniFile(string INIPath)      {          _path = INIPath;          if (!File.Exists(_path)) CreateIniFile();      }      //写INI文件       public void IniWriteValue(string Section, string Key, string Value)      {          WritePrivateProfileString(Section, Key, Value, this._path);      }      //读取INI文件指定项目的数据       public string IniReadValue(string Section, string Key)      {          int i;          STRINGBUFFER RetVal;          i = GetPrivateProfileString(Section, Key, null, out RetVal, DATA_SIZE, this._path);          string temp = RetVal.szText;          return temp.Trim();      }      //读取INI文件指定项目的数据       public string IniReadValue(string Section, string Key, string defaultValue)      {          int i;          STRINGBUFFER RetVal;          i = GetPrivateProfileString(Section, Key, null, out RetVal, DATA_SIZE, this._path);          string temp = RetVal.szText;          return temp.Trim() == "" ? defaultValue : temp.Trim();      }      /// 
      /// 创建INI文件      /// 
      public void CreateIniFile()      {

var dir = Path.GetDirectoryName(_path);

if (!Directory.Exists(dir))

Directory.CreateDirectory(dir);

StreamWriter w = File.CreateText(_path);          w.Write("");          w.Flush();          w.Close();      }  }