MessageWebSocketInformation.Protocol Property
Definition
Important
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Gets the WebSocket sub-protocol negotiated with the server during WebSocket handshake on a MessageWebSocket object.
public:
property Platform::String ^ Protocol { Platform::String ^ get(); };winrt::hstring Protocol();public string Protocol { get; }var string = messageWebSocketInformation.protocol;Public ReadOnly Property Protocol As StringProperty Value
The sub-protocol negotiated with the server during the WebSocket handshake.
Implements
Remarks
Both a WebSocket client and a WebSocket server may support multiple sub-protocols. During the WebSocket handshake, the server will select one of the sub-protocols from the mutually supported sub-protocols and reply in the "Sec-WebSocket-Protocol" header. The Protocol property will contain the selected sub-protocol string.
Before the MessageWebSocket is connected, this property is null.