static void Main(string[] args)
{
SoftwareCollection softwares = new SoftwareCollection
{
new FreeSoftware("FileZilla", "США"),
new ProprietarySoftware("Adobe Photoshop", "США",
DateTime.Parse("12.12.2018"), TimeSpan.FromDays(360), 3600),
new SharewareSoftware("WinRar", "Россия",
DateTime.Parse("12.12.2018"), TimeSpan.FromDays(90)),
new ProprietarySoftware("ABBYY FineReader", "Россия",
DateTime.Parse("06.06.2017"), TimeSpan.FromDays(360), 2800),
new FreeSoftware("FireFox Mozilla", "США")
};
//
Console.WriteLine("=====До сортировки======");
PrintCollection(softwares);
Console.WriteLine("========================");
Console.WriteLine("Для продолжения нажмите Ввод...");
Console.ReadLine();
softwares.Sort();
Console.WriteLine("=====После сортировки======");
PrintCollection(softwares);
Console.WriteLine("========================");
Console.WriteLine("Для продолжения нажмите Ввод...");
Console.ReadLine();
var freeSoftwares = softwares.GetSoftwaresByType <FreeSoftware>(typeof(FreeSoftware));
Console.WriteLine("=====Только Free=====");
foreach (var item in freeSoftwares)
{
Console.WriteLine(item);
}
Console.WriteLine("========================");
Console.WriteLine("Для продолжения нажмите Ввод...");
Console.ReadLine();
//новое!
var propSoftwares = softwares.GetSoftwaresByType <ProprietarySoftware>();
foreach (var item in propSoftwares)
{
Console.WriteLine(item);
}
Console.WriteLine("========================");
Console.ReadKey();
}
private static void PrintCollection(SoftwareCollection softwares)
{
foreach (var software in softwares)
{
if (software is FreeSoftware)
{
Console.WriteLine((software as FreeSoftware));
}
else if (software is SharewareSoftware)
{
Console.WriteLine((software as SharewareSoftware));
}
else if (software is ProprietarySoftware)
{
Console.WriteLine((software as ProprietarySoftware));
}
else
{
Console.WriteLine(software);
}
Console.WriteLine();
}
}
