ContextItemManager.Unsubscribe Method (Type, SubscribeContextCallback)

When overridden in a derived class, removes a subscription.

Namespace: Microsoft.Windows.Design
Assembly: Microsoft.Windows.Design.Extensibility (in Microsoft.Windows.Design.Extensibility.dll)

Syntax

'Declaration
Public MustOverride Sub Unsubscribe ( _
    contextItemType As Type, _
    callback As SubscribeContextCallback _
)

public abstract void Unsubscribe(
    Type contextItemType,
    SubscribeContextCallback callback
)

public:
virtual void Unsubscribe(
    Type^ contextItemType, 
    SubscribeContextCallback^ callback
) abstract

abstract Unsubscribe : 
        contextItemType:Type * 
        callback:SubscribeContextCallback -> unit

public abstract function Unsubscribe(
    contextItemType : Type, 
    callback : SubscribeContextCallback
)

contextItemType
Type: System.Type
The type of context item to remove the callback from.

Exception	Condition
ArgumentNullException	contextItemType or callback is nulla null reference (Nothing in Visual Basic).

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.