private bool writeDirEntryOK(TiffDirEntry[] entries, int count)
{
bool res = true;
for (int i = 0; i < count; i++)
{
res = writeShortOK((short)entries[i].tdir_tag);
if (res)
res = writeShortOK((short)entries[i].tdir_type);
if (res)
res = writeIntOK(entries[i].tdir_count);
if (res)
res = writeIntOK((int)entries[i].tdir_offset);
if (!res)
break;
}
return res;
}