internal void ResetDirEntry()
{
// __FileDataPosition is the position of the file data for an entry.
// It is _RelativeOffsetOfLocalHeader + size of local header.
// We cannot know the __FileDataPosition until we read the local
// header.
// The local header is not necessarily the same length as the record
// in the central directory.
// Set to -1, to indicate we need to read this later.
this.__FileDataPosition = -1;
// set _LengthOfHeader to 0, to indicate we need to read later.
this._LengthOfHeader = 0;
// reset the copy counter because we've got a good entry now
CopyHelper.Reset();
}