public async static Task <bool> SendTextMessageAsync(SmsDevice2 device, string[] numbers, string textmessage, string transportId = "0")
{
bool returnresult = true;
ChatMessageStore store = await ChatMessageManager.RequestStoreAsync();
if (string.IsNullOrEmpty(transportId) || await ChatMessageManager.GetTransportAsync(transportId) == null)
{
var transports = await ChatMessageManager.GetTransportsAsync();
if (transports.Count != 0)
{
var transport = transports[0];
transportId = transport.TransportId;
}
else
{
transportId = await ChatMessageManager.RegisterTransportAsync();
}
}
try
{
SmsTextMessage2 message = new SmsTextMessage2();
message.Body = textmessage;
foreach (var number in numbers)
{
var num = number.Trim();
message.To = num;
try
{
SmsSendMessageResult result = await device.SendMessageAndGetResultAsync(message);
var offset = new DateTimeOffset(DateTime.Now);
returnresult &= result.IsSuccessful;
try
{
ChatMessage msg = new ChatMessage();
msg.Body = textmessage;
msg.Recipients.Add(num);
msg.LocalTimestamp = offset;
msg.NetworkTimestamp = offset;
msg.IsIncoming = false;
msg.TransportId = transportId;
msg.MessageOperatorKind = ChatMessageOperatorKind.Sms;
msg.Status = result.IsSuccessful ? ChatMessageStatus.Sent : ChatMessageStatus.SendFailed;
await store.SaveMessageAsync(msg);
}
catch
{
}
}
catch
{
returnresult = false;
}
}
}
catch
{
returnresult = false;
}
return(returnresult);
}