/// <summary>
/// Advances the enumerator to the next element of the collection
/// </summary>
/// <summary>Sets <see cref="_currentZipEntry"/> to the next zip entry</summary>
/// <returns>true if the next entry is not null, otherwise false</returns>
private bool MoveNext()
{
int result;
if (_currentZipEntry == null)
{
result = ZlibWrapper.ZlibUnzGoToFirstFile(_zipFileHandle);
}
else
{
CloseCurrentEntry();
result = ZlibWrapper.ZlibUnzGoToNextFile(_zipFileHandle);
}
if (result == ZipReturnCode.EndOfListOfFile)
{
// No more entries
_currentZipEntry = null;
}
else if (result < 0)
{
throw new ZipException("MoveNext failed.", result);
}
else
{
// Entry found,m open it
OpenCurrentEntry();
}
return(_currentZipEntry != null);
}
