Как показать сообщение, когда последняя команда нажата на кнопку?
public partial class Form1 : Form
{
string[] year = { "Year 1", "Year 2", "Year 3", "Year 4", "Year 5", "Year 6", "Year 7", "Year 8", "Year 9", "Year 10" };
static int y = 0;
public Fo