FireSync API
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kBool kPxPort_IsRouted ( kPxPort  port)

For an output port, reports whether the port is connected to any input ports.

This method can only be called during or after a block's VOnStart method and before or during its VOnStop method. Within this timeframe, calls to this method are thread-safe.

Parameters
portPort object.
Returns
kTRUE if the port is routed; otherwise kFALSE.