private async void RefreshMessageCollection()
{
IsRefreshing = true;
await Task.Run(() =>
{
var Result = _dataRepository.GetAllMessages();
if (null != Result)
{
foreach (Message m in Result)
{
if (!Messages.Contains(m))
{
Messages.Add(m);
}
}
}
else
{
var CommandResult = new OperationResultArgs
{
IsError = true,
ResultText = string.Format("Failed to get messages from server.{0}Error : {1}", Environment.NewLine, Result.ToString())
};
RaiseNotification(this, CommandResult);
}
});
IsRefreshing = false;
}
public MessagesViewModel(IWebCommunicatorAsync <Message> webCommunicator, IMessageDataRepository dataRepository) : base(webCommunicator)
{
Refresh = new DelegateCommand(CanRefreshMessages, RefreshMessageCollection);
_dataRepository = dataRepository;
_messageCollection = new ObservableCollection <Message>(_dataRepository.GetAllMessages());
IsRefreshing = false;
}