private void RenderHistory(TimeFrameParam param)
{
IEnumerable<IMessage> messages;
messages = _currentFrame == null
? HistoryService.Read(_clientId, _withEntity, param.Span)
: HistoryService.Read(_clientId, _withEntity, param.Span, _currentFrame.Span);
_currentFrame = param;
foreach (var message in messages.Reverse())
{
var command = new RenderHistoryMessage(_conversationThread.Model, message);
command.Execute();
}
}