public static extern int NtQueryInformationFile( IntPtr fileHandle, ref IO_STATUS_BLOCK IoStatusBlock, IntPtr pInfoBlock, uint length, FILE_INFORMATION_CLASS fileInformation);
public static extern int NtCreateFile(ref IntPtr handle, FileAccess access, ref OBJECT_ATTRIBUTES objectAttributes, ref IO_STATUS_BLOCK ioStatus, ref long allocSize, uint fileAttributes, FileShare share, uint createDisposition, uint createOptions, IntPtr eaBuffer, uint eaLength);