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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, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.