PackagePart.RelationshipExists Method (String)

 

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.

Exception Condition
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
Available since 3.0
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