public IAsyncResult BeginIssueRequest(vx_req_base_t request, AsyncCallback callback)
{
if (request == null)
{
throw new ArgumentNullException();
}
if (!Started)
{
throw new InvalidOperationException();
}
string requestId = $"{_nextRequestId++}";
request.cookie = requestId;
var result = new AsyncResult <vx_resp_base_t>(callback)
{
AsyncState = requestId
};
lock (_pendingRequests)
{
_pendingRequests[requestId] = result;
}
var status = VivoxCoreInstance.IssueRequest(request);
if (status != 0)
{
lock (_pendingRequests)
{
_pendingRequests.Remove(requestId);
}
throw new VivoxApiException(status);
}
return(result);
}