async void SetMsgInfo(object sender, RoutedEventArgs e)
{
var result = await AtTest.SetMsgInfo(new MsgInfo { Title = "abc", Content = "message" });
_tbInfo.Text = result != null ? "调用成功！" : "调用不成功！";
}
async void SetMsgInfo(object sender, RoutedEventArgs e)
{
var result = await AtTest.SetMsgInfo(new MsgInfo { Title = "abc", Content = "message" });
_tbInfo.Text = result != null ? "调用成功！" : "调用不成功！";
}