/// <summary> /// 获取INI文件中指定节点(Section)中的所有条目的Key列表 /// </summary> /// <param name="iniFile">Ini文件</param> /// <param name="section">节点名称</param> /// <returns>如果没有内容,反回string[0]</returns> public string[] ReadAllItemKeys(string iniFile, string section) { string[] value = new string[0]; const int SIZE = 1024 * 10; if (string.IsNullOrEmpty(section)) { throw new ArgumentException("必须指定节点名称", "section"); } char[] chars = new char[SIZE]; uint bytesReturned = INIFile.GetPrivateProfileString(section, null, null, chars, SIZE, iniFile); if (bytesReturned != 0) { value = new string(chars).Split(new char[] { '\0' }, StringSplitOptions.RemoveEmptyEntries); } chars = null; return(value); }
/// <summary> /// 获取INI文件中指定节点(Section)中的所有条目(key=value形式) /// </summary> /// <param name="iniFile">Ini文件</param> /// <param name="section">节点名称</param> /// <returns>指定节点中的所有项目,没有内容返回string[0]</returns> public string[] ReadAllItems(string iniFile, string section) { //返回值形式为 key=value,例如 Color=Red uint MAX_BUFFER = 32767; //默认为32767 string[] items = new string[0]; //返回值 //分配内存 IntPtr pReturnedString = Marshal.AllocCoTaskMem((int)MAX_BUFFER * sizeof(char)); uint bytesReturned = INIFile.GetPrivateProfileSection(section, pReturnedString, MAX_BUFFER, iniFile); if (!(bytesReturned == MAX_BUFFER - 2) || (bytesReturned == 0)) { string returnedString = Marshal.PtrToStringAuto(pReturnedString, (int)bytesReturned); items = returnedString.Split(new char[] { '\0' }, StringSplitOptions.RemoveEmptyEntries); } Marshal.FreeCoTaskMem(pReturnedString); //释放内存 return(items); }
/// <summary> /// 在INI文件中,指定节点写入指定的键及值。如果已经存在,则替换。如果没有则创建。 /// </summary> /// <param name="iniFile">INI文件</param> /// <param name="section">节点</param> /// <param name="key">键</param> /// <param name="value">值</param> /// <returns>操作是否成功</returns> public bool WriteValue <T>(string iniFile, string section, string key, T value) { //1.使用以下语句会导致文件被占用,无法写入 // File.Create(iniFilePath); //2.创建文件后可以正常使用 FileHelper.CreateFile(iniFile); if (string.IsNullOrEmpty(section)) { throw new ArgumentException("必须指定节点名称", "section"); } if (string.IsNullOrEmpty(key)) { throw new ArgumentException("必须指定键名称", "key"); } if (value == null) { throw new ArgumentException("值不能为null", "value"); } return(INIFile.WritePrivateProfileString(section, key, value.ToString(), iniFile)); }
/// <summary> /// 读取INI文件中的所有节点名称(Section) /// </summary> /// <param name="iniFile">Ini文件</param> /// <returns>所有节点,没有内容返回string[0]</returns> public string[] ReadAllSectionNames(string iniFile) { uint MAX_BUFFER = 32767; //默认为32767 string[] sections = new string[0]; //返回值 //申请内存 IntPtr pReturnedString = Marshal.AllocCoTaskMem((int)MAX_BUFFER * sizeof(char)); uint bytesReturned = INIFile.GetPrivateProfileSectionNames(pReturnedString, MAX_BUFFER, iniFile); if (bytesReturned != 0) { //读取指定内存的内容 string local = Marshal.PtrToStringAuto(pReturnedString, (int)bytesReturned).ToString(); //每个节点之间用\0分隔,末尾有一个\0 sections = local.Split(new char[] { '\0' }, StringSplitOptions.RemoveEmptyEntries); } //释放内存 Marshal.FreeCoTaskMem(pReturnedString); return(sections); }