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PackUriHelper.GetRelativeUri Method

.NET Framework 4.5

Returns the relative URI between two specified PackagePart URIs.

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

public static Uri GetRelativeUri(
	Uri sourcePartUri,
	Uri targetPartUri
)

Parameters

sourcePartUri: Type: System.Uri
The URI of the source part.

targetPartUri: Type: System.Uri
The URI of the target part.

Return Value

Type: System.Uri
The relative URI from sourcePartUri to targetPartUri.

Exceptions

Exception	Condition
ArgumentNullException	sourcePartUri or targetPartUri is null.

Remarks

The following table illustrates sample cases for GetRelativeUri.

sourcePartUri	targetPartUri	Returned relative URI
/mydoc/markup/page.xml	/mydoc/markup/picture.jpg	picture.jpg
/mydoc/markup/page.xml	/mydoc/picture.jpg	../picture.jpg
/mydoc/markup/page.xml	/mydoc/images/picture.jpg	../images/picture.jpg

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

Reference

PackUriHelper Class

System.IO.Packaging Namespace

ResolvePartUri

Other Resources

Pack URIs in WPF

Open Packaging Conventions Specification

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