private void button1_Click(object sender, EventArgs e) { Random rnd = new Random(); Color clr = Color.FromArgb(rnd.Next(0, 255), rnd.Next(0, 255), rnd.Next(0, 255), rnd.Next(0, 255)); Figure fgr = new Triangel(100 - 10, 100 - 10, 100 + 10, 100 + 10, 5, clr, this.Width, this.Height, this.gameField); fgr.Draw(); /* * AddNewFigures(); * DrawFigures(); */ }
static void Main() { Triangel tri = new Triangel(); tri.sida_a = 4; tri.sida_b = 6; tri.sida_c = 5; tri.höjd_b = 3; Console.WriteLine("\n\tMed den första referensen:\n" + "\tArea = " + tri.area() + '\n' + "\tOmkrets = " + tri.omkrets() + '\n'); Triangel t = tri; Console.WriteLine("\n\tMed den andra referensen:\n" + "\tArea = " + t.area() + '\n' + "\tOmkrets = " + t.omkrets() + '\n'); tri = null; Console.WriteLine("Användning av null-referens ger " + "exekveringsfel:\n"); Console.WriteLine(tri.sida_a); }