INI文件读写操作

 

 

        string iniPath = Application.StartupPath + "\\Configurations.ini";//ini文件的位置

 

        #region 声明读写INI文件的API函数

        //参数说明：section：INI文件中的段落；key：INI文件中的关键字；val：INI文件中关键字的数值；filePath：INI文件的完整的路径和名称。

        [DllImport("kernel32")]

        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);

 

        //参数说明：section：INI文件中的段落名称；key：INI文件中的关键字；def：无法读取时候时候的缺省数值；retVal：读取数值；size：数值的大小；filePath：INI文件的完整路径和名称。

        [DllImport("kernel32")]

        private static extern int GetPrivateProfileString(string section, string key, string defVal, 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);

        #endregion

 

        private void Form1_Load(object sender, EventArgs e)

        {

            LoadingCheck();//保证ini文件存在

        }

        private void LoadingCheck()//保证ini文件存在

        {

            if (File.Exists(iniPath) == false)

            {

                FileStream objFS = new FileStream(iniPath, FileMode.Create);

                objFS.Close();

            }

        }

        public string IniReadValue(string section, string key)//读取INI文件

        {

            StringBuilder temp = new StringBuilder(255);

            int i = GetPrivateProfileString(section, key, "", temp, 255, iniPath);

            return temp.ToString();

        }

 

    private void button1_Click(object sender, EventArgs e)//写

        {

            WritePrivateProfileString("Section1", "Key1", "value1", iniPath);       

        }

        private void button2_Click(object sender, EventArgs e)

        {

            textBox1.Text = IniReadValue("Section1","Key1");//读

        }