private void keyDownTasker(object eventObj)
{
if (MessageInput.Document.CheckAccess())
{
KeyEventArgs e = eventObj as KeyEventArgs;
switch (e.Key)
{
case Key.Up:
MessageInput.Document.Blocks.Clear();
if (_messageSendedIndex < _messageSended.Count)
{
_messageSendedIndex++;
MessageInput.Document.Blocks.AddRange(LoadXaml(_messageSended[_messageSended.Count - _messageSendedIndex].ToString()).Blocks.ToList());
MessageInput.Selection.Select(MessageInput.Document.ContentEnd, MessageInput.Document.ContentEnd);
}
break;
case Key.Down:
MessageInput.Document.Blocks.Clear();
if (_messageSendedIndex > 1)
{
_messageSendedIndex--;
MessageInput.Document.Blocks.AddRange(LoadXaml(_messageSended[_messageSended.Count - _messageSendedIndex].ToString()).Blocks.ToList());
MessageInput.Selection.Select(MessageInput.Document.ContentEnd, MessageInput.Document.ContentEnd);
}
break;
}
if ((e.KeyboardDevice.IsKeyDown(Key.LeftCtrl) || e.KeyboardDevice.IsKeyDown(Key.RightCtrl)) && e.Key == Key.A)
{
MessageInput.SelectAll();
}
}
else
{
MessageInput.Document.Dispatcher.Invoke(new Action(() => { keyDownTasker(eventObj); }));
}
}
