ActivityContext.GetExtension<T> 方法

定义

命名空间:

System.Activities

程序集:

System.Activities.dll

返回指定类型的扩展。

public:
generic <typename T>
 where T : class T GetExtension();

public T GetExtension<T>() where T : class;

member this.GetExtension : unit -> 'T (requires 'T : null)

Public Function GetExtension(Of T As Class) () As T

类型参数

T

要检索的扩展的类型。

返回

T

指定类型的扩展（如果存在）;否则，为 null.