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PackUriHelper.GetRelationshipPartUri Method

Returns the URI of the relationship part associated with a specified PackagePart.

Namespace:  System.IO.Packaging
Assembly:  WindowsBase (in WindowsBase.dll)

public static Uri GetRelationshipPartUri(
	Uri partUri


Type: System.Uri

The Uri of the PackagePart to return the URI for the associated PackageRelationship.

Return Value

Type: System.Uri
The URI of the PackageRelationship part associated with the PackagePart identified by partUri.


partUri is null.


partUri syntax is not valid for a package part URI.


partUri is an absolute URI.


partUri references a relationship part.

partUri must identify either the Package ("/") or a PackagePart that is not a PackageRelationship part.

For more information about PackageRelationship parts, see Section 9.3 "Relationships" in the Open Packaging Conventions Specification available for download at Specifications and License Downloads.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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