static void Main(string[] args)
{
int[] a = new int[2];
Testclass b = new Testclass();
a[0] = 1;
a[1] = 2;
b.a = 1;
b.b = 2;
Console.WriteLine("{0}{1}{2}{3}", a[0], a[1], b.a, b.b);
int[] a2 = new int[2];
Testclass b2 = new Testclass();
a2 = a;
b2 = b;
a2[0] = 3;
a2[1] = 4;
b2.a = 3;
b2.b = 4;
Console.WriteLine("{0}{1}{2}{3}", a[0], a[1], b.a, b.b);
Testfunc(a, b);
Console.WriteLine("{0}{1}{2}{3}", a[0], a[1], b.a, b.b);
Testfunc2(a, b);
Console.WriteLine("{0}{1}{2}{3}", a[0], a[1], b.a, b.b);
Testfunc3(ref a, ref b);
Console.WriteLine("{0}{1}{2}{3}", a[0], a[1], b.a, b.b);
}
static void Testfunc2(int[] a2, Testclass b2)
{
a2 = new int[] { 7, 8 };
b2 = new Testclass();
b2.a = 7;
b2.b = 8;
}
static void Testfunc3(ref int[] a2, ref Testclass b2)
{
a2 = new int[] { 9, 0 };
b2 = new Testclass();
b2.a = 9;
b2.b = 0;
}
static void Testfunc(int[] a2, Testclass b2)
{
a2[0] = 5;
a2[1] = 6;
b2.a = 5;
b2.b = 6;
}