/// <summary>
/// 发送消息
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button3_Click(object sender, EventArgs e)
{
string m = textBox1.Text;
string id = connection.ConnectionId;
//调用 hub中的方法 Send
rhub.Invoke("Send", id, m).Wait();
}
private void btnSend_Click(object sender, RoutedEventArgs e)
{
rhub.Invoke("ReceiveMessage", "6666").Wait();
}