public ExcelExternalFiles(ExcelPackage package, XmlNamespaceManager namespaceManager) : base(namespaceManager)
{
BaseDirectory = package.File?.DirectoryName;
ExternalFileUri = new Dictionary <int, Uri>();
Uri externalLinkUri = new Uri($"xl/externalLinks/externalLink1.xml", UriKind.Relative);
var i = 1;
while (package.Package.PartExists(externalLinkUri))
{
XmlDocument externalLinkXml = new XmlDocument();
ZipPackagePart zipPackagePart = package.Package.GetPart(externalLinkUri);
LoadXmlSafe(externalLinkXml, zipPackagePart.GetStream());
TopNode = externalLinkXml.DocumentElement;
string rId = GetXmlNodeString("/d:externalLink/d:externalBook/@r:id");
if (zipPackagePart.TryGetRelationshipById(rId, out var relation))
{
ExternalFileUri.Add(i, relation.TargetUri);
}
i++;
externalLinkUri = new Uri($"xl/externalLinks/externalLink{i}.xml", UriKind.Relative);
}
}