private PackageRelationship CreateRelationship(Uri targetUri, TargetMode targetMode, string relationshipType, string id, bool loading)
{
if (!loading)
{
Package.CheckIsReadOnly();
}
Check.TargetUri(targetUri);
Check.RelationshipTypeIsValid(relationshipType);
Check.IdIsValid(id);
if (id == null)
{
id = NextId();
}
if (Relationships.ContainsKey(id))
{
throw new XmlException("A relationship with this ID already exists");
}
PackageRelationship r = new PackageRelationship(id, Package, relationshipType, Uri, targetMode, targetUri);
Relationships.Add(r.Id, r);
if (!loading)
{
WriteRelationships();
}
return(r);
}
internal PackageRelationship(string id, Package package, string relationshipType,
Uri sourceUri, TargetMode targetMode, Uri targetUri)
{
Check.IdIsValid(id);
Check.Package(package);
Check.RelationshipTypeIsValid(relationshipType);
Check.SourceUri(sourceUri);
Check.TargetUri(targetUri);
Id = id;
Package = package;
RelationshipType = relationshipType;
SourceUri = sourceUri;
TargetMode = targetMode;
TargetUri = targetUri;
}
internal PackageRelationship CreateRelationship(Uri targetUri, TargetMode targetMode, string relationshipType,
string id, bool loading)
{
if (!loading)
{
CheckIsReadOnly();
}
Check.TargetUri(targetUri);
if (targetUri.IsAbsoluteUri && targetMode == TargetMode.Internal)
{
throw new ArgumentException("TargetUri cannot be absolute for an internal relationship");
}
Check.RelationshipTypeIsValid(relationshipType);
Check.IdIsValid(id);
if (id == null)
{
id = NextId();
}
PackageRelationship r = new PackageRelationship(id, this, relationshipType, Uri, targetMode, targetUri);
if (!PartExists(RelationshipUri))
{
CreatePartCore(RelationshipUri, RelationshipContentType, CompressionOption.NotCompressed).IsRelationship
= true;
}
Relationships.Add(r.Id, r);
relationshipsCollection.Relationships.Add(r);
if (!loading)
{
using (Stream s = GetPart(RelationshipUri).GetStream())
WriteRelationships(relationships, s);
}
return(r);
}