ModelElementExtensionMethods.AddExtension<T> Method (ModelElement)
Extend this ModelElement with a newly instantiated extension of a particular type. An InvalidOperationException will be thrown if the element already has an extension of the same type.
Namespace: Microsoft.VisualStudio.Modeling.Extensibility
Assembly: Microsoft.VisualStudio.Modeling.Sdk.12.0 (in Microsoft.VisualStudio.Modeling.Sdk.12.0.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function AddExtension(Of T As ExtensionElement) ( _
element As ModelElement _
) As T
public static T AddExtension<T>(
this ModelElement element
)
where T : ExtensionElement
[ExtensionAttribute]
public:
generic<typename T>
where T : ExtensionElement
static T AddExtension(
ModelElement^ element
)
static member AddExtension :
element:ModelElement -> 'T when 'T : ExtensionElement
JScript does not support generic types or methods.
Type Parameters
- T
The type of ExtensionElement to be added
Parameters
element
Type: Microsoft.VisualStudio.Modeling.ModelElementModelElement to be extended
Return Value
Type: T
The newly instantiated and added extension
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type ModelElement. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
.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.