欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

C#实现利用Windows API读写INI文件的方法

程序员文章站 2023-12-10 19:26:34
本文实例讲述了c#实现利用windows api读写ini文件的方法。分享给大家供大家参考。具体如下: 写入时,如果没有ini文件,自动创建ini 如果在创建时,get...

本文实例讲述了c#实现利用windows api读写ini文件的方法。分享给大家供大家参考。具体如下:

写入时,如果没有ini文件,自动创建ini
如果在创建时,getlasterror:5 检查inipath是否添加了文件名称.ini

using system;
using system.collections.generic;
using system.text;
using system.io;
using system.runtime.interopservices;
namespace namespace
{
 /// <summary>
 /// 利用windows api读写ini文件
 /// 写入时,如果没有ini文件,自动创建ini
 /// 如果在创建时,getlasterror:5 检查inipath是否添加了文件名称.ini
 /// </summary>
 public class ini
 {
  //声明kernel32.dll函数
  [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")]
  public static extern uint getlasterror();
  string inipath = null;
  /// <summary>
  /// 构造方法
  /// </summary>
  /// <param name="inipath">ini文件的绝对路径,后面不需要斜杠</param>
  /// <param name="inifilename">ini文件名称使用时不需要斜杠,需要.ini</param>
  public ini(string inipath,string inifilename)
  {
   console.writeline("ini object building");
   inipath = inipath + "\\" + inifilename;
   console.writeline("inifilepath :" + inipath);
  }
  /// <summary>
  /// 写入ini文件
  /// </summary>
  /// <param name="section">section</param>
  /// <param name="key">key</param>
  /// <param name="value">value</param>
  public void iniwritevalue(string section, string key, string value)
  {
   console.writeline("---iniwritevalue---");
   console.writeline("section :" + section);
   console.writeline("key :" + key);
   console.writeline("value :" + value);
   console.writeline("inipath :" + inipath);
   uint32 snapshot = getlasterror();
   //
   writeprivateprofilestring(section, key, value, inipath);
   if (snapshot != getlasterror())
   {
    console.writeline("getlasterror :" + getlasterror());
   }
  }
  /// <summary>
  /// 读出ini文件
  /// </summary>
  /// <param name="section">section</param>
  /// <param name="key">key</param>
  public string inireadvalue(string section, string key)
  {
   stringbuilder result = new stringbuilder(256);
   getprivateprofilestring(section, key, null, result, 256, inipath);
   return result.tostring();
  }
  public bool existinifile()
  {
   return file.exists(inipath);
  }
  /// <summary>
  /// creat config file to application ini
  /// </summary>
  /// <param name="dnf_path"></param>
  public void createconfig(string ip)
  {
   console.writeline("createconfig");
   console.writeline("ip:" + ip);
   try
   {
    writeconfigip(ip);
    if (existinifile())
    {
     console.writeline("配置文件创建成功");
    }
    else
    {
     console.writeline("配置文件创建不成功");
    }
   }
   catch (exception err)
   {
    console.writeline("出错信息:" + err.tostring());
   }
  }
  /// <summary>
  /// write config for ip information
  /// </summary>
  /// <param name="ip"></param>
  public void writeconfigip(string ip)
  {
   string section = "config";
   string key = "ip";
   string value = ip;
   try
   {
    iniwritevalue(section, key, value);
   }
   catch (exception err)
   {
    console.writeline("出错信息:" + err.tostring());
   }
  }
  public string readconfigip()
  {
   try
   {
    string section = "config";
    string result = inireadvalue(section, "ip");
    console.writeline("readconfigip result :" + result);
    return result;
   }
   catch (exception err)
   {
    console.writeline("出错信息:" + err.tostring());
    return "read error";
   }
  }
 }
}

希望本文所述对大家的c#程序设计有所帮助。