PackUriHelper.ResolvePartUri(Uri, Uri) 메서드

정의

네임스페이스:

System.IO.Packaging

어셈블리:

System.IO.Packaging.dll

패키지:

System.IO.Packaging v9.0.0-rc.2.24473.5

Source:

PackUriHelper.cs

지정된 소스 파트 URI와 대상 파트에 대한 상대 경로를 가진 URI에 대한 파트 URI를 반환합니다.

public:
 static Uri ^ ResolvePartUri(Uri ^ sourcePartUri, Uri ^ targetUri);

public static Uri ResolvePartUri (Uri sourcePartUri, Uri targetUri);

static member ResolvePartUri : Uri * Uri -> Uri

Public Shared Function ResolvePartUri (sourcePartUri As Uri, targetUri As Uri) As Uri

매개 변수

sourcePartUri

Uri

소스 파트의 URI 또는 Package 루트를 나타내는 "/"입니다.

targetUri

Uri

대상 파트에 대한 상대 URI입니다.

반환

Uri

지정된 SourcePartUri 및 targetUri 매개 변수 사이에서 확인되는 대상 파트의 URI입니다.

예외

ArgumentNullException

sourcePartUri 또는 targetUri가 null인 경우

ArgumentException

sourcePartUri가 올바른 파트 URI가 아닌 경우

또는

targetUri가 올바른 상대 URI가 아닌 경우

예제

다음 예제에서는 ResolvePartUri 메서드를 사용하는 방법을 보여 줍니다.

// Open the Package.
// ('using' statement insures that 'package' is
//  closed and disposed when it goes out of scope.)
using (Package package =
    Package.Open(packagePath, FileMode.Open, FileAccess.Read))
{
    PackagePart documentPart = null;
    PackagePart resourcePart = null;

    // Get the Package Relationships and look for
    //   the Document part based on the RelationshipType
    Uri uriDocumentTarget = null;
    foreach (PackageRelationship relationship in
        package.GetRelationshipsByType(PackageRelationshipType))
    {
        // Resolve the Relationship Target Uri
        //   so the Document Part can be retrieved.
        uriDocumentTarget = PackUriHelper.ResolvePartUri(
            new Uri("/", UriKind.Relative), relationship.TargetUri);

        // Open the Document Part, write the contents to a file.
        documentPart = package.GetPart(uriDocumentTarget);
        ExtractPart(documentPart, targetDirectory);
    }

    // Get the Document part's Relationships,
    //   and look for required resources.
    Uri uriResourceTarget = null;
    foreach (PackageRelationship relationship in
        documentPart.GetRelationshipsByType(
                                ResourceRelationshipType))
    {
        // Resolve the Relationship Target Uri
        //   so the Resource Part can be retrieved.
        uriResourceTarget = PackUriHelper.ResolvePartUri(
            documentPart.Uri, relationship.TargetUri);

        // Open the Resource Part and write the contents to a file.
        resourcePart = package.GetPart(uriResourceTarget);
        ExtractPart(resourcePart, targetDirectory);
    }
}// end:using(Package package) - Close & dispose package.

' Open the Package.
' ('using' statement insures that 'package' is
'  closed and disposed when it goes out of scope.)
Using package As Package = Package.Open(packagePath, FileMode.Open, FileAccess.Read)
    Dim documentPart As PackagePart = Nothing
    Dim resourcePart As PackagePart = Nothing

    ' Get the Package Relationships and look for
    '   the Document part based on the RelationshipType
    Dim uriDocumentTarget As Uri = Nothing
    For Each relationship As PackageRelationship In package.GetRelationshipsByType(PackageRelationshipType)
        ' Resolve the Relationship Target Uri
        '   so the Document Part can be retrieved.
        uriDocumentTarget = PackUriHelper.ResolvePartUri(New Uri("/", UriKind.Relative), relationship.TargetUri)

        ' Open the Document Part, write the contents to a file.
        documentPart = package.GetPart(uriDocumentTarget)
        ExtractPart(documentPart, targetDirectory)
    Next relationship

    ' Get the Document part's Relationships,
    '   and look for required resources.
    Dim uriResourceTarget As Uri = Nothing
    For Each relationship As PackageRelationship In documentPart.GetRelationshipsByType(ResourceRelationshipType)
        ' Resolve the Relationship Target Uri
        '   so the Resource Part can be retrieved.
        uriResourceTarget = PackUriHelper.ResolvePartUri(documentPart.Uri, relationship.TargetUri)

        ' Open the Resource Part and write the contents to a file.
        resourcePart = package.GetPart(uriResourceTarget)
        ExtractPart(resourcePart, targetDirectory)
    Next relationship

End Using ' end:using(Package package) - Close & dispose package.

설명

다음 표에서는 에 대한 ResolvePartUri샘플 사례를 보여 줍니다.

sourcePartUri	targetUri	반환된 URI
/mydoc/markup/page.xml	picture.jpg	/mydoc/markup/picture.jpg
/mydoc/markup/page.xml	images/picture.jpg	/mydoc/markup/images/picture.jpg
/mydoc/markup/page.xml	./picture.jpg	/mydoc/markup/picture.jpg
/mydoc/markup/page.xml	.. /picture.jpg	/mydoc/picture.jpg
/mydoc/markup/page.xml	.. /images/picture.jpg	/mydoc/images/picture.jpg
/	images/picture.jpg	/images/picture.jpg

추가 정보

• GetPartUri(Uri)
• GetRelativeUri(Uri, Uri)
• Open Packaging Conventions Specification