...
_player.Source = trackUri;
_player.Dispatcher.Invoke((Action) (() =>
{
_player.Play();
_player.MediaPosition = 100000000; // in ticks, doesn't work at this place
}));
...
...
_player.Source = trackUri;
_player.Dispatcher.Invoke((Action) (() =>
{
_player.Play();
_player.PreferedPositionFormat = MediaPositionFormat.MediaTime;
_player.MediaPosition = 100000000; // in ticks, doesn't work at this place
}));
...