PackagePart.RelationshipExists(String) Method

Reference

Definition

Namespace:: System.IO.Packaging

Assembly:: System.IO.Packaging.dll

Assembly:: WindowsBase.dll

Assemblies:: System.IO.Packaging.dll, WindowsBase.dll

Package:: System.IO.Packaging v10.0.0-preview.1.25080.5

Source:: PackagePart.cs

Source:: PackagePart.cs

Source:: PackagePart.cs

Source:: PackagePart.cs

Source:: PackagePart.cs

Source:: PackagePart.cs

Important

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

public:
 bool RelationshipExists(System::String ^ id);

public bool RelationshipExists(string id);

member this.RelationshipExists : string -> bool

Public Function RelationshipExists (id As String) As Boolean

Parameters

id: String

The Id of the relationship to check for.

Returns

Boolean

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

Exceptions

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(Boolean) or Close() has been called).

IOException

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

Remarks

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 https://www.w3.org/TR/xmlschema-2/#ID).

Applies to

Product	Versions
.NET	Core 1.0, Core 1.1, 8 (package-provided), 9 (package-provided), 10 (package-provided)
.NET Framework	3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0 (package-provided)
Windows Desktop	3.0, 3.1, 5, 6, 7, 8, 9, 10

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