有关INI操作C#

有关INI操作类

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

//[节点]
//关键字=值
//[节点1]
//关键字1=值1

[DllImport("kernel32")]
  //其中nDefault:表示当节点未找到时，返回nDefault的值作为默认值
  private static extern int GetPrivateProfileInt(string lpAppName, string lpKeyName, int nDefault, string lpFileName);
  
  [DllImport("kernel32")]
  //lpDefault:默认值
  private static extern int GetPrivateProfileString(string lpAppName, string lpKeyName, string lpDefault, StringBuilder lpReturnedString, int nSize, string lpFileName);
  
  [DllImport("kernel32")]
  private static extern bool WritePrivateProfileString(string lpAppName, string lpKeyName, string lpString, string lpFileName);

  public static string ReadStringKey(string section, string key, string strDefault,string strPath)
  {
   StringBuilder strKeyValue = new StringBuilder(1024);
   GetPrivateProfileString(section, key, strDefault, strKeyValue,1024,strPath);
   return strKeyValue.ToString();
  }

  public static int ReadIntKey(string section, string key, int strDefault,string strPath)
  {
   return GetPrivateProfileInt(section, key, strDefault, strPath);
  }

  //其中数字与字符通用
  public static void WriteStringKey(string section, string key, string strValue,string strPath)
  {
   WritePrivateProfileString(section, key, strValue, strPath);
  }

  //把key键＝null:删除节点
  public static void DelSection(string section,string strPath)
  {
   WritePrivateProfileString(section, null, null,strPath);
  }

  //其中把key的值赋为空：删除KEY
  public static void DelKey(string section, string key,string strPath)
  {
   WritePrivateProfileString(section, key, null,strPath);
  }