public UpdateTileBackgroundTask()
{
_tileSquareContent = TileContentFactory.CreateTileSquare150x150PeekImageAndText04();
_tileSquareContent.Image.Src = "ms-appx:///Assets/Square150x150Logo.png";
_tileSquareContent.Image.Alt = STORE_LOGO_ALT;
_tileWideContent =
TileContentFactory.CreateTileWide310x150PeekImage03();
_tileWideContent.Image.Src = "ms-appx:///Assets/Wide310x150Logo.png";
_tileWideContent.Image.Alt = STORE_LOGO_ALT;
}