public NTStatus QueryDirectory(out List <QueryDirectoryFileInformation> result, object handle, string fileName, FileInformationClass informationClass)
{
IO_STATUS_BLOCK ioStatusBlock;
byte[] buffer = new byte[4096];
UNICODE_STRING fileNameStructure = new UNICODE_STRING(fileName);
result = new List <QueryDirectoryFileInformation>();
bool restartScan = true;
while (true)
{
NTStatus status = NtQueryDirectoryFile((IntPtr)handle, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, out ioStatusBlock, buffer, (uint)buffer.Length, (byte)informationClass, false, ref fileNameStructure, restartScan);
if (status == NTStatus.STATUS_NO_MORE_FILES)
{
break;
}
else if (status != NTStatus.STATUS_SUCCESS)
{
return(status);
}
int numberOfBytesWritten = (int)ioStatusBlock.Information;
buffer = ByteReader.ReadBytes(buffer, 0, numberOfBytesWritten);
List <QueryDirectoryFileInformation> page = QueryDirectoryFileInformation.ReadFileInformationList(buffer, 0, informationClass);
result.AddRange(page);
restartScan = false;
}
fileNameStructure.Dispose();
return(NTStatus.STATUS_SUCCESS);
}
public List <QueryDirectoryFileInformation> GetFileInformationList(FileInformationClass fileInformationClass)
{
if (OutputBuffer.Length > 0)
{
return(QueryDirectoryFileInformation.ReadFileInformationList(OutputBuffer, 0, fileInformationClass));
}
return(new List <QueryDirectoryFileInformation>());
}