ContextItemManager.SetValue(ContextItem) 方法
定义
在派生类中重写时,将一个上下文项设置为指定值。When overridden in a derived class, sets a context item to the specified value.
public:
abstract void SetValue(System::Activities::Presentation::ContextItem ^ value);
public abstract void SetValue (System.Activities.Presentation.ContextItem value);
abstract member SetValue : System.Activities.Presentation.ContextItem -> unit
Public MustOverride Sub SetValue (value As ContextItem)
参数
- value
- ContextItem
要设置到 ContextItem 中的值。The value to set into the ContextItem.
注解
不要传递 null 值。Do not pass a null value. 若要将设置 ContextItem 为空值,请使用无参数构造函数创建项的实例。To set a ContextItem to an empty value, create an instance of the item using a parameterless constructor.