问发送带有一个连接的并发SignalR消息

EN

public async Task Test()  
{  
    Console.WriteLine($"Start: {DateTime.Now}");  
    await Task.Run(() => Task.Delay(1000));  
    Console.WriteLine($"Stop: {DateTime.Now}");  
} 

private connection: HubConnection = new HubConnectionBuilder()
  .withUrl(this.url)
  .configureLogging(LogLevel.Information)
  .withAutomaticReconnect([1000, 2000, 3000, 4000, 5000])
  .build();

async test(): Promise<void> {
  try {
    console.log('start: ' + new Date().toString());
    await this.connection.invoke('Test');
    console.log('stop: ' + new Date().toString());
  } catch (err) {
    console.error(err);
  }
}