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PackagePart.RelationshipExists Method

Returns a value that indicates whether this part owns a relationship with a specified Id.

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

public bool RelationshipExists(
	string id
)

Parameters

id
Type: System.String
The Id of the relationship to check for.

Return Value

Type: System.Boolean
true if this part owns a relationship with the specified id; otherwise, false.

ExceptionCondition
ArgumentNullException

id is null.

XmlException

id is not a valid XML identifier.

InvalidOperationException

The part has been deleted.

-or-

The Package is not open (Dispose or Close has been called).

IOException

The package is write-only (relationship information cannot be read).

id must be a valid XML identifier. The id type is xsd:ID and must follow the naming conventions prescribed in the XML Schema Part 2: Datatypes specification (see http://www.w3.org/TR/xmlschema-2/#ID).

.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.
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