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
)
You cannot use methods in XAML.

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.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0
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