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Package.RelationshipExists Method

Indicates whether a package-level relationship with a given ID is contained in the package.

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 a package-level relationship with the specified id is in the package; otherwise, false.

ExceptionCondition
ArgumentNullException

id is null.

XmlException

id is not a valid XML identifier.

ObjectDisposedException

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

IOException

The package is write-only.

For additional information, see the Open Packaging Conventions (OPC) specification available for download at http://go.microsoft.com/fwlink/?LinkID=71255.

.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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