ContextItemManager.NotifyItemChanged 方法

定義

命名空間:

System.Activities.Presentation

組件:

System.Activities.Presentation.dll

代表 Helper 方法，這個方法會叫用受保護的 OnItemChanged(EditingContext, ContextItem) 方法。

protected:
 static void NotifyItemChanged(System::Activities::Presentation::EditingContext ^ context, System::Activities::Presentation::ContextItem ^ item, System::Activities::Presentation::ContextItem ^ previousItem);

protected static void NotifyItemChanged (System.Activities.Presentation.EditingContext context, System.Activities.Presentation.ContextItem item, System.Activities.Presentation.ContextItem previousItem);

static member NotifyItemChanged : System.Activities.Presentation.EditingContext * System.Activities.Presentation.ContextItem * System.Activities.Presentation.ContextItem -> unit

Protected Shared Sub NotifyItemChanged (context As EditingContext, item As ContextItem, previousItem As ContextItem)

參數

context

EditingContext

使用中的 EditingContext。

item

ContextItem

新的 ContextItem。

previousItem

ContextItem

上一個 ContextItem。

例外狀況

ArgumentNullException

context、item 或 previousItem 為 null。