ModelElement.AddExtension Method (ModelElement, Guid)

Extend the specified ModelElement with a newly instantiated extension of the identified domain type. An InvalidOperationException will be thrown if the element already has an extension of the same type.

Namespace:  Microsoft.VisualStudio.Modeling
Assembly:  Microsoft.VisualStudio.Modeling.Sdk.12.0 (in Microsoft.VisualStudio.Modeling.Sdk.12.0.dll)

Syntax

'Declaration
Public Shared Function AddExtension ( _
    element As ModelElement, _
    extensionClassId As Guid _
) As ExtensionElement

public static ExtensionElement AddExtension(
    ModelElement element,
    Guid extensionClassId
)

public:
static ExtensionElement^ AddExtension(
    ModelElement^ element, 
    Guid extensionClassId
)

static member AddExtension : 
        element:ModelElement * 
        extensionClassId:Guid -> ExtensionElement

public static function AddExtension(
    element : ModelElement, 
    extensionClassId : Guid
) : ExtensionElement

Parameters

• element
  Type: Microsoft.VisualStudio.Modeling.ModelElement

  ModelElement to be extended

• extensionClassId
  Type: System.Guid

  The domain class id of the type of ExtensionElement to be added

Return Value

Type: Microsoft.VisualStudio.Modeling.ExtensionElement
The newly instantiated and added extension

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

ModelElement Class

AddExtension Overload

Microsoft.VisualStudio.Modeling Namespace