ModelElement.AddExtension Method (ModelElement, DomainClassInfo)

Extend the specified ModelElement with a newly instantiated extension of the specified 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.10.0 (in Microsoft.VisualStudio.Modeling.Sdk.10.0.dll)

Syntax

'宣言
Public Shared Function AddExtension ( _
    element As ModelElement, _
    extensionClass As DomainClassInfo _
) As ExtensionElement

public static ExtensionElement AddExtension(
    ModelElement element,
    DomainClassInfo extensionClass
)

public:
static ExtensionElement^ AddExtension(
    ModelElement^ element, 
    DomainClassInfo^ extensionClass
)

static member AddExtension : 
        element:ModelElement * 
        extensionClass:DomainClassInfo -> ExtensionElement 

public static function AddExtension(
    element : ModelElement, 
    extensionClass : DomainClassInfo
) : ExtensionElement

Parameters

• element
  Type: Microsoft.VisualStudio.Modeling.ModelElement
  ModelElement to be extended

• extensionClass
  Type: Microsoft.VisualStudio.Modeling.DomainClassInfo
  The domain class 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