Home / API Reference / StockSharp.InteractiveBrokers WshDataMessage StockSharp.InteractiveBrokers Wall Street Horizon data message. Inherits: BaseSubscriptionIdMessage<T> Constructors WshDataMessage(MessageTypes) Initializes a new instance of the WshDataMessage. type MessageTypes Properties Data : string Data (JSON format). Methods CopyTo(T) Copy the message into the . destination The object, to which copied information.