private void UpdateFilterState()
{
Image img = null;
if (_pli != null)
{
img = Resources.ResourceManager.GetImage(_FilterState.ToString().ToLowerInvariant());
}
tslFilterState.Image = img;
tslFilterState.Tag = Translator.Translate("TXT_MEDIA_STATE", MediaRenderer.DefaultInstance.TranslatedFilterState);
UpdatePlayPauseButton();
}