static void Main(string[] args)
{
// define to class-points
Point_C pc1 = new Point_C {
x = 11, y = 15
}, pc2;
// what happens?
pc2 = pc1;
Console.WriteLine("C1) pc1: " + pc1);
Console.WriteLine("C1) pc2: " + pc2 + "\n");
// what changes?
pc2.x = 16;
Console.WriteLine("C2) pc1: " + pc1);
Console.WriteLine("C2) pc2: " + pc2 + "\n");
// and now?
setx(pc2, 17);
Console.WriteLine("C3) pc1: " + pc1);
Console.WriteLine("C3) pc2: " + pc2 + "\n");
// define two struct points
Point_S ps1 = new Point_S {
x = 21, y = 25
}, ps2;
// what happens?
ps2 = ps1;
Console.WriteLine("S1) ps1: " + ps1);
Console.WriteLine("S1) ps2: " + ps2 + "\n");
// what changes?
ps2.x = 22;
Console.WriteLine("S2) ps1: " + ps1);
Console.WriteLine("S2) ps2: " + ps2 + "\n");
// and now?
setx(ref ps2, 23);
Console.WriteLine("S3) ps1: " + ps1);
Console.WriteLine("S3) ps2: " + ps2 + "\n");
}
static void setx(ref Point_S pt, int x)
{
pt.x = x;
}
