Unsubscribe Method (Type, SubscribeContextCallback)
Removes a subscription.
Namespace: Microsoft.Data.Tools.Design.Core.Context
Assembly: Microsoft.Data.Tools.Design.Core (in Microsoft.Data.Tools.Design.Core.dll)
Syntax
'Declaration
Public MustOverride Sub Unsubscribe ( _
contextItemType As Type, _
callback As SubscribeContextCallback _
)
'Usage
Dim instance As ContextItemCollection
Dim contextItemType As Type
Dim callback As SubscribeContextCallback
instance.Unsubscribe(contextItemType, _
callback)
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
)
Parameters
- contextItemType
Type: System..::..Type
The type of context item to remove the callback from.
- callback
Type: Microsoft.Data.Tools.Design.Core.Context..::..SubscribeContextCallback
The callback to remove.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | if contextItemType or callback is null. |