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

namespace formula_manage.UserClass
{
    internal class IniFile
    {
        public class IniFiles
        {
            public string path;
            [DllImport("kernel32")] //返回0表示失败，非0为成功
            private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
            [DllImport("kernel32")] //返回取得字符串缓冲区的长度
            private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);
            /// <summary>
            /// 保存ini文件的路径
            /// 调用示例：var ini = IniFiles("C:\file.ini");
            /// </summary>
            /// <param name="INIPath"></param>
            public IniFiles(string iniPath)
            {
                this.path = iniPath;
            }
            /// <summary>
            /// 写Ini文件
            /// 调用示例：ini.IniWritevalue("Server","name","localhost");
            /// </summary>
            /// <param name="Section">[缓冲区]</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.path);
            }
            /// <summary>
            /// 读Ini文件
            /// 调用示例：ini.IniWritevalue("Server","name");
            /// </summary>
            /// <param name="Section">[缓冲区]</param>
            /// <param name="Key">键</param>
            /// <returns>值</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();
            }

        }
    }
}