/// <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 static string[] INIGetAllItemKeys(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 = Ini.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 static string[] INIGetAllItems(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 = Ini.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>
/// 读取INI文件中指定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 static string[] INIGetAllSectionNames(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 = Ini.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);
}
