/// <summary>
/// Load older messages
/// </summary>
private async void LoadOlderMessages()
{
// Prevent a second call
DisableLoadingMessages = true;
// Show loading indicator
MessagesLoadingTop.Visibility = Visibility.Visible;
// Get messages
List <MessageContainer> messages = await MessageManager.ConvertMessage(
(await RESTCalls.GetChannelMessagesBefore(ChannelId,
(MessageList.Items.FirstOrDefault(x => (x as MessageContainer).Message != null) as MessageContainer)
.Message.Id)).ToList());
// Display Messages
AddMessages(Position.Before, false, messages,
_outofboundsNewMessage); //if there is an out of bounds new message, show the indicator. Otherwise, don't.
// Hide loaidng indicator
MessagesLoadingTop.Visibility = Visibility.Collapsed;
// Buffer perioud for loading more messages
await Task.Delay(1000);
DisableLoadingMessages = false;
}
