IPixelStreaming2Streamer::OnPreConnection

A getter for the OnPreConnection event. Intent is for users to call [IPixelStreaming2Module::Get()](API\Plugins\PixelStreaming2\IPixelStreaming2Module\Get).FindStreamer(ID)->[OnPreConnection()](API\Plugins\PixelStreaming2\IPixelStreaming2Streamer\OnPreConnection).AddXXX.