PackUriHelper.ResolvePartUri(Uri, Uri) Método
Definición
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Devuelve un URI de parte de paquete, dados un URI de parte de origen y un URI con una ruta de acceso relativa a una parte de paquete de destino.
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
Parámetros
- targetUri
- Uri
URI relativo a la parte de destino.
Devoluciones
El URI de la parte de destino resuelto entre los parámetros SourcePartUri
y targetUri
especificados.
Excepciones
sourcePartUri
o targetUri
es null
.
sourcePartUri
no es un URI válido de parte de paquete.
o bien
targetUri
no es un URI relativo válido.
Ejemplos
En el siguiente ejemplo, se muestra cómo utilizar el método ResolvePartUri. Para obtener el ejemplo completo, consulte Lectura de un ejemplo de paquete.
// 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.
Comentarios
En la tabla siguiente se muestran los casos de ejemplo de ResolvePartUri.
sourcePartUri |
targetUri |
URI devuelto |
---|---|---|
/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 |
Se aplica a
Consulte también
Comentarios
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