ModelElementExtensionMethods.TryGetExtension<T> Method (ModelElement)

项目
11/24/2013

Get the ExtensionElement of the specified type from the available extensions of this ModelElement. If this element has no such extension then the result will be null.

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 TryGetExtension(Of T As ExtensionElement) ( _
    element As ModelElement _
) As T

public static T TryGetExtension<T>(
    this ModelElement element
)
where T : ExtensionElement

[ExtensionAttribute]
public:
generic<typename T>
where T : ExtensionElement 
static T TryGetExtension(
    ModelElement^ element
)

static member TryGetExtension : 
        element:ModelElement -> 'T  when 'T : ExtensionElement

JScript does not support generic types or methods.

Type Parameters

T
The type of ExtensionElement to retrieve

Parameters

element
Type: Microsoft.VisualStudio.Modeling.ModelElement

The extended ModelElement

Return Value

Type: T
The ExtensionElement of the requested type, or null if the element has no such 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.

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