private static void ChangeChanel(TV tv)
{
Console.WriteLine("Input + if you want to switch chanel to the next.");
Console.WriteLine("Input - if you want to switch chanel to the previous.");
Console.WriteLine("Input number if you want to switch chanel to the next.");
string command = Console.ReadLine();
try
{
if (command == "+")
{
tv.NextChanel();
}
else if (command == "-")
{
tv.PreviousChanel();
}
else
{
short channel = short.Parse(command);
tv.ChangeChanel(channel);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine("Current channel: " + tv.CurrentChannel);
}