Realization of C Using Windows API to Read and Write INI File
- 2021-07-18 08:48:46
- OfStack
This paper describes the method of C # using Windows API to read and write INI files. Share it for your reference. The details are as follows:
When writing, if there is no INI file, automatically create INI
If GetLastError: 5 checks whether IniPath added a filename at creation time. ini
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Runtime.InteropServices;
namespace NameSpace
{
/// <summary>
/// Utilization Windows API Read and write INI Documents
/// When writing, if there is no INI File, automatically created INI
/// If at the time of creation, GetLastError:5 Check IniPath Is a file name added .ini
/// </summary>
public class INI
{
// Declaration kernel32.dll Function
[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>
/// Construction method
/// </summary>
/// <param name="INIPath">INI Absolute path of the file, no slash is needed after it </param>
/// <param name="INIFileName">INI The file name does not need a slash, it needs .ini</param>
public INI(string INIPath,string INIFileName)
{
Console.WriteLine("INI Object building");
IniPath = INIPath + "\\" + INIFileName;
Console.WriteLine("INIFilePath :" + IniPath);
}
/// <summary>
/// Write INI Documents
/// </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>
/// Readout INI Documents
/// </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(" Profile created successfully ");
}
else
{
Console.WriteLine(" Profile creation was unsuccessful ");
}
}
catch (Exception err)
{
Console.WriteLine(" Error message :" + 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(" Error message :" + 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(" Error message :" + err.ToString());
return "Read Error";
}
}
}
}
I hope this article is helpful to everyone's C # programming.