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Aucma.Scada/HighWayIot.Common/IniHelper.cs

104 lines
3.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Text;
namespace HighWayIot.Common
{
public class IniHelper
{
public string path;
public IniHelper(string INIPath)
{
path = INIPath;
}
[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")]
private static extern int GetPrivateProfileString(string section, string key, string defVal, Byte[] retVal, int size, string filePath);
[DllImport("kernel32", EntryPoint = "GetPrivateProfileString")]
private static extern uint GetPrivateProfileStringA(string section, string key, string def, Byte[] retVal, int size, string filePath);
/// <summary>
/// 写INI文件
/// </summary>
/// <param name="Section"></param>
/// <param name="Key"></param>
/// <param name="Value"></param>
public void IniWriteValue(string Section, string Key, string Value)
{
WritePrivateProfileString(Section, Key, Value, this.path);
}
/// <summary>
/// 读取INI文件
/// </summary>
/// <param name="Section"></param>
/// <param name="Key"></param>
/// <returns></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();
string str = temp.ToString();
return str;
}
public byte[] IniReadValues(string section, string key)
{
byte[] temp = new byte[255];
int i = GetPrivateProfileString(section, key, "", temp, 255, this.path);
return temp;
}
/// <summary>
/// 删除ini文件下所有段落
/// </summary>
public void ClearAllSection()
{
IniWriteValue(null, null, null);
}
/// <summary>
/// 删除ini文件下personal段落下的所有键
/// </summary>
/// <param name="Section"></param>
public void ClearSection(string Section)
{
IniWriteValue(Section, null, null);
}
public List<string> ReadKeys(String SectionName)
{
return ReadKeys(SectionName, this.path);
}
public List<string> ReadKeys(string SectionName, string iniFilename)
{
List<string> result = new List<string>();
Byte[] buf = new Byte[65536];
uint len = GetPrivateProfileStringA(SectionName, null, null, buf, buf.Length, iniFilename);
int j = 0;
for (int i = 0; i < len; i++)
if (buf[i] == 0)
{
result.Add(Encoding.Default.GetString(buf, j, i - j));
j = i + 1;
}
return result;
}
}
}