Subscribe Method (Type, SubscribeServiceCallback)

Calls back on the provided callback when someone has published the requested service. If the service was already available, this method invokes the callback immediately. A generic version of this method is provided for convenience, and calls the non-generic method with appropriate casts.

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 Subscribe ( _
    serviceType As Type, _
    callback As SubscribeServiceCallback _
)
'Usage
Dim instance As ServiceCollection
Dim serviceType As Type
Dim callback As SubscribeServiceCallback

instance.Subscribe(serviceType, callback)

public abstract void Subscribe(
    Type serviceType,
    SubscribeServiceCallback callback
)

public:
virtual void Subscribe(
    Type^ serviceType, 
    SubscribeServiceCallback^ callback
) abstract

abstract Subscribe : 
        serviceType:Type * 
        callback:SubscribeServiceCallback -> unit 

public abstract function Subscribe(
    serviceType : Type, 
    callback : SubscribeServiceCallback
)

Parameters

• serviceType
  Type: System..::..Type
  The type of service to subscribe to.

• callback
  Type: Microsoft.Data.Tools.Design.Core.Context..::..SubscribeServiceCallback
  A callback that will be notified when the service is available.

Exceptions

Exception	Condition
ArgumentNullException	If serviceType or callback is null.

See Also

Reference

ServiceCollection Class

Subscribe Overload

Microsoft.Data.Tools.Design.Core.Context Namespace