本文整理汇总了C#中System.IO.Packaging.Package.RelationshipExists方法的典型用法代码示例。如果您正苦于以下问题：C# Package.RelationshipExists方法的具体用法？C# Package.RelationshipExists怎么用？C# Package.RelationshipExists使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.IO.Packaging.Package的用法示例。
在下文中一共展示了Package.RelationshipExists方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Apply
private void Apply(Package package, string filename, bool installed)
{
using (var setPkg = Package.Open(filename, FileMode.Open, FileAccess.ReadWrite))
{
// Extract information about the target set
var defRelationship = setPkg.GetRelationshipsByType("http://schemas.octgn.org/set/definition").First();
var definition = setPkg.GetPart(defRelationship.TargetUri);
Set set;
using (var reader = XmlReader.Create(definition.GetStream(), xmlSettings))
{
reader.ReadToFollowing("set"); // <?xml ... ?>
set = new Set(filename, reader, game.repository);
// Check if the set game matches the patch
if (set.Game != game) return;
}
// Check if there is a patch for this set
string relationId = "S" + set.Id.ToString("N");
if (!package.RelationshipExists(relationId)) return;
var patchPart = package.GetPart(package.GetRelationship(relationId).TargetUri);
XDocument patchDoc;
using (var stream = patchPart.GetStream())
patchDoc = XDocument.Load(stream);
// Check if the set is at least the required version for patching
if (set.Version < patchDoc.Root.Attr<Version>("minVersion")) return;
if (set.Version > patchDoc.Root.Attr<Version>("maxVersion")) return;
if (installed)
game.DeleteSet(game.Sets.Single(s => s.packageName == filename));
// Process the set
foreach (XElement action in patchDoc.Root.Elements())
switch (action.Name.LocalName)
{
case "new":
{
Uri targetUri = new Uri(action.Attr<string>("targetUri"), UriKind.Relative);
string relationshipId = action.Attr<string>("relationshipId");
string contentType = action.Attr<string>("contentType");
PackagePart part = setPkg.PartExists(targetUri) ?
setPkg.GetPart(targetUri) :
setPkg.CreatePart(targetUri, contentType, CompressionOption.Normal);
using (var targetStream = part.GetStream(FileMode.Create, FileAccess.Write))
using (var srcStream = package.GetPart(patchPart.GetRelationship(relationshipId).TargetUri).GetStream())
srcStream.CopyTo(targetStream);
break;
}
case "newrel":
{
Uri partUri = new Uri(action.Attr<string>("partUri"), UriKind.Relative);
string relationshipId = action.Attr<string>("relationshipId");
Uri targetUri = new Uri(action.Attr<string>("targetUri"), UriKind.Relative);
string relationshipType = action.Attr<string>("relationshipType");
PackagePart part = setPkg.GetPart(partUri);
if (part.RelationshipExists(relationshipId)) part.DeleteRelationship(relationshipId);
part.CreateRelationship(targetUri, TargetMode.Internal, relationshipType, relationshipId);
break;
}
default:
throw new InvalidFileFormatException("Unknown patch action: " + action.Name);
}
}
OnProgress(string.Format("{0} patched.", System.IO.Path.GetFileName(filename)));
if (installed)
try
{ game.InstallSet(filename); }
catch (Exception ex)
{
OnProgress(string.Format("{0} can't be re-installed.\nDetails: {1}", filename, ex.Message), true);
}
}示例2: Select
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public Methods
/// <summary>
/// This method returns the list of selected PackageRelationships as per the
/// given criteria, from a part in the Package provided
/// </summary>
/// <param name="package">Package object from which we get the relationsips</param>
/// <returns></returns>
/// <exception cref="ArgumentNullException">If package parameter is null</exception>
public List<PackageRelationship> Select(Package package)
{
if (package == null)
{
throw new ArgumentNullException("package");
}
List<PackageRelationship> relationships = new List<PackageRelationship>(0);
switch (SelectorType)
{
case PackageRelationshipSelectorType.Id:
if (SourceUri.Equals(PackUriHelper.PackageRootUri))
{
if (package.RelationshipExists(SelectionCriteria))
relationships.Add(package.GetRelationship(SelectionCriteria));
}
else
{
if (package.PartExists(SourceUri))
{
PackagePart part = package.GetPart(SourceUri);
if (part.RelationshipExists(SelectionCriteria))
relationships.Add(part.GetRelationship(SelectionCriteria));
}
}
break;
case PackageRelationshipSelectorType.Type:
if (SourceUri.Equals(PackUriHelper.PackageRootUri))
{
foreach (PackageRelationship r in package.GetRelationshipsByType(SelectionCriteria))
relationships.Add(r);
}
else
{
if (package.PartExists(SourceUri))
{
foreach (PackageRelationship r in package.GetPart(SourceUri).GetRelationshipsByType(SelectionCriteria))
relationships.Add(r);
}
}
break;
default:
//Debug.Assert is fine here since the parameters have already been validated. And all the properties are
//readonly
Debug.Assert(false, "This option should never be called");
break;
}
return relationships;
}