IniFile.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;

namespace NoDiskSystem
{
   
        /// <summary>
        /// ini文件类
        /// </summary>
        public class IniFile
        {
            private string m_FileName;

            public string FileName
            {
                get { return m_FileName; }
                set { m_FileName = value; }
            }

            [DllImport("kernel32.dll")]
            private static extern int GetPrivateProfileInt(
                string lpAppName,
                string lpKeyName,
                int nDefault,
                string lpFileName
                );

            [DllImport("kernel32.dll")]
            private static extern int GetPrivateProfileString(
                string lpAppName,
                string lpKeyName,
                string lpDefault,
                StringBuilder lpReturnedString,
                int nSize,
                string lpFileName
                );

            [DllImport("kernel32.dll")]
            private static extern int WritePrivateProfileString(
                string lpAppName,
                string lpKeyName,
                string lpString,
                string lpFileName
                );

            /// <summary>
            /// 构造函数
            /// </summary>
            /// <param name="aFileName">Ini文件路径</param>
            public IniFile(string aFileName)
            {
                this.m_FileName = aFileName;
            }

            /// <summary>
            /// 构造函数
            /// </summary>
            public IniFile()
            { }

            /// <summary>
            /// [扩展]读Int数值
            /// </summary>
            /// <param name="section">节</param>
            /// <param name="name">键</param>
            /// <param name="def">默认值</param>
            /// <returns></returns>
            public int ReadInt(string section, string name, int def)
            {
                return GetPrivateProfileInt(section, name, def, this.m_FileName);
            }

            /// <summary>
            /// [扩展]读取string字符串
            /// </summary>
            /// <param name="section">节</param>
            /// <param name="name">键</param>
            /// <param name="def">默认值</param>
            /// <returns></returns>
            public string ReadString(string section, string name, string def)
            {
                StringBuilder vRetSb = new StringBuilder(2048);
                GetPrivateProfileString(section, name, def, vRetSb, 2048, this.m_FileName);
                return vRetSb.ToString();
            }

            /// <summary>
            /// [扩展]写入Int数值，如果不存在 节-键，则会自动创建
            /// </summary>
            /// <param name="section">节</param>
            /// <param name="name">键</param>
            /// <param name="Ival">写入值</param>
            public void WriteInt(string section, string name, int Ival)
            {

                WritePrivateProfileString(section, name, Ival.ToString(), this.m_FileName);
            }

            /// <summary>
            /// [扩展]写入String字符串，如果不存在 节-键，则会自动创建
            /// </summary>
            /// <param name="section">节</param>
            /// <param name="name">键</param>
            /// <param name="strVal">写入值</param>
            public void WriteString(string section, string name, string strVal)
            {
                WritePrivateProfileString(section, name, strVal, this.m_FileName);
            }

            /// <summary>
            /// 删除指定的 节
            /// </summary>
            /// <param name="section"></param>
            public void DeleteSection(string section)
            {
                WritePrivateProfileString(section, null, null, this.m_FileName);
            }

            /// <summary>
            /// 删除全部 节
            /// </summary>
            public void DeleteAllSection()
            {
                WritePrivateProfileString(null, null, null, this.m_FileName);
            }

            /// <summary>
            /// 读取指定 节-键 的值
            /// </summary>
            /// <param name="section"></param>
            /// <param name="name"></param>
            /// <returns></returns>
            public string IniReadValue(string section, string name)
            {
                StringBuilder strSb = new StringBuilder(256);
                GetPrivateProfileString(section, name, "", strSb, 256, this.m_FileName);
                return strSb.ToString();
            }

            /// <summary>
            /// 写入指定值，如果不存在 节-键，则会自动创建
            /// </summary>
            /// <param name="section"></param>
            /// <param name="name"></param>
            /// <param name="value"></param>
            public void IniWriteValue(string section, string name, string value)
            {
                WritePrivateProfileString(section, name, value, this.m_FileName);
            }
        }
    }