AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.7.0" />

.NET API 997,888 bytes

 IMessagePort

public interface IMessagePort : IEventTarget
Represents a message port as defined here: http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#messageport
event DomEventHandler MessageReceived

Fired when a message has been received.

void Close()

Closes the message port.

void Open()

Opens the message port.

void Send(object message)

Sends a message over the current message port.