BotMessagePreviewSendHandler Delegate
Definition
Important
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Function for handling Message Extension botMessagePreview send events.
public delegate System.Threading.Tasks.Task BotMessagePreviewSendHandler(ITurnContext turnContext, ITurnState turnState, IActivity activityPreview, CancellationToken cancellationToken);type BotMessagePreviewSendHandler = delegate of ITurnContext * ITurnState * IActivity * CancellationToken -> TaskPublic Delegate Function BotMessagePreviewSendHandler(turnContext As ITurnContext, turnState As ITurnState, activityPreview As IActivity, cancellationToken As CancellationToken) As Task Parameters
- turnContext
- ITurnContext
A strongly-typed context object for this turn.
- turnState
- ITurnState
The turn state object that stores arbitrary data for this turn.
- activityPreview
- IActivity
The activity that's being previewed by the user.
- cancellationToken
- CancellationToken
A cancellation token that can be used by other objects or threads to receive notice of cancellation.
Return Value
A task that represents the work queued to execute.