private void button_StartOrStopReceive_Click(object sender, EventArgs e)
{
if (helper.recStaus == true)//当前为开启接收状态
{
helper.StopReceiving();
button_StartOrStopReceive.Text = "开启接收";//按钮显示为开启接收
}
else//当前状态为关闭接收状态
{
helper.StartReceiving();
button_StartOrStopReceive.Text = "暂停接收";//按钮显示状态改为暂停接收
}
}