private void ConnectionClosed(Response response)
{
CustomTools.Console.DebugLog("EchoApiManager class", CustomTools.Console.LogMagentaColor("Regular Callback:"), "ConnectionClosed()");
ResetApi();
response.SendResultData <string>(reason => OnConnectionClosed.SafeInvoke(reason), null);
}
// call when client close connection
private static void ConnectionClosed(Connection connection)
{
CustomTools.Console.DebugLog("Connection closed");
OnConnectionClosed.SafeInvoke(connection);
}