csharp 读取和写入ini文件示例

下面是一个简单的示例，演示如何在C#中读取和写入INI文件：

读取INI文件：

using System.Runtime.InteropServices;
using System.Text;

public class IniFile
{
    private string path;

    [DllImport("kernel32")]
    private static extern long GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

    public IniFile(string INIPath)
    {
        path = INIPath;
    }

    public string Read(string section, string key)
    {
        StringBuilder retVal = new StringBuilder(255);
        long i = GetPrivateProfileString(section, key, "", retVal, 255, path);
        return retVal.ToString();
    }
}

写入INI文件：

using System.Runtime.InteropServices;

public class IniFile
{
    private string path;

    [DllImport("kernel32")]
    private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);

    public IniFile(string INIPath)
    {
        path = INIPath;
    }

    public void Write(string section, string key, string value)
    {
        WritePrivateProfileString(section, key, value, path);
    }
}

使用示例：

IniFile ini = new IniFile(@"C:\example.ini");

// 读取值
string value = ini.Read("Section", "Key");

// 写入值
ini.Write("Section", "Key", "Value");