MediaProvider.BeginGetOffer Method
Definition
Important
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Begins the asynchronous operation to get the sdp offer from MediaProvider.
protected:
abstract IAsyncResult ^ BeginGetOffer(Microsoft::Rtc::Collaboration::ComponentModel::OfferAnswerContext ^ offerAnswerContext, System::Collections::ObjectModel::Collection<Microsoft::Rtc::Collaboration::SdpContentDescription ^> ^ lastLocalOutgoingSdps, AsyncCallback ^ userCallback, System::Object ^ state);protected abstract IAsyncResult BeginGetOffer (Microsoft.Rtc.Collaboration.ComponentModel.OfferAnswerContext offerAnswerContext, System.Collections.ObjectModel.Collection<Microsoft.Rtc.Collaboration.SdpContentDescription> lastLocalOutgoingSdps, AsyncCallback userCallback, object state);abstract member BeginGetOffer : Microsoft.Rtc.Collaboration.ComponentModel.OfferAnswerContext * System.Collections.ObjectModel.Collection<Microsoft.Rtc.Collaboration.SdpContentDescription> * AsyncCallback * obj -> IAsyncResultParameters
- offerAnswerContext
- OfferAnswerContext
The OfferAnswerContext for the corresponding call.
- lastLocalOutgoingSdps
- Collection<SdpContentDescription>
Last outgoing local SDPs, which can be null if this method is invoked for an initial offer.
- userCallback
- AsyncCallback
The method to be called when the asynchronous operation is completed.
- state
- Object
A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.
Returns
An IAsyncResult that references the asynchronous operation.
Remarks
The last local outgoing SDP can be either the last outgoing offer or answer. An outgoing offer can contain multiple SDP session descriptions.