public void ShowTvGuide()
{
if (currentVideoSource != null)
{
Console.WriteLine(currentVideoSource.GetTvGuide());
}
else
{
Console.WriteLine("Please select a Video Source to get TV guide from");
}
}
public void ShowTvGuide()
{
Console.WriteLine(_currentVideoSource != null
? _currentVideoSource.GetTvGuide()
: "Please select a Video Source");
}