public override IEnumerable <ContentDrawable> GetContentDarawable()
{
contentDrawList.Clear();
contentDrawList.AddRange(prologBtn.GetContentDarawable());
contentDrawList.AddRange(playBtn.GetContentDarawable());
contentDrawList.AddRange(musicBtn.GetContentDarawable());
contentDrawList.AddRange(authorsBtn.GetContentDarawable());
contentDrawList.AddRange(exitBtn.GetContentDarawable());
contentDrawList.AddRange(scoreLblCaption.GetContentDarawable());
contentDrawList.AddRange(scoreLblValue.GetContentDarawable());
contentDrawList.AddRange(timeLblCaption.GetContentDarawable());
contentDrawList.AddRange(timeLblValue.GetContentDarawable());
contentDrawList.AddRange(promoLblCaption.GetContentDarawable());
contentDrawList.AddRange(promoLblValue.GetContentDarawable());
return(contentDrawList);
}