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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 String

Property Value

String

Platform::String

winrt::hstring

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.

Applies to

See also

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