//static function class.
public static Vertex3D Add(Vertex3D a, Vertex3D b)
{
Vertex3D ret = new Vertex3D();
ret.X = a.X + b.X;
ret.Y = a.Y + b.Y;
return ret;
}
public static void Main(string[] args)
{
Console.WriteLine("Hello CSharp!");
Operation op = new Operation();
Console.WriteLine("20 + 10 = " + op.Addition(20, 10));
Console.WriteLine("20 x 10 = " + op.Multiply(20, 10));
Console.WriteLine("20 - 10 = " + op.Substraction(20, 10));
Console.WriteLine("20 / 10 = " + op.Division(20, 10));
Student stud = new Student();
stud.PrintStudentInfo();
//Init properties when at construction step 2
Student p = new Student()
{ Id = 1, Name = "Ben", Address = "Redmond, WA" };
p.PrintStudentInfo();
Console.WriteLine("Merge test to master!");
Console.WriteLine("try to develop in monodevelop!");
Console.WriteLine("edit in github code editor!");
//call the static function
Vertex3D v3d_add = new Vertex3D();
Vertex3D v3d_a = new Vertex3D(10,20);
Vertex3D v3d_b = new Vertex3D(20,30);
v3d_add = Vertex3D.Add(v3d_a, v3d_b);
v3d_add.PrintInfo();
v3d_add.ToString();
v3d_add.PrintVersionInfo();
SubVertex3D sv3d = new SubVertex3D();
sv3d.PrintVersionInfo();
sv3d.PrintInfo();
Vertex3DInterface_impl v3dInf = new Vertex3DInterface_impl();
Console.WriteLine("\n|*************************************|");
v3dInf.Play();
v3dInf.Pause();
v3dInf.Stop();
Console.WriteLine("|*************************************|\n");
//test stuct operation
A a, b;
a.m_id = 100;
b.m_id = 200;
structTest st = new structTest();
st.Struct_add(a,b);
//test a anonymous class
var var1 = new { id = 1, name = "XXXX"};
Console.WriteLine("\n|------------test var class------------------|");
Console.WriteLine("the index is {0}.", var1.id);
Console.WriteLine("the name is {0}.", var1.name);
Console.WriteLine("|------------test var class------------------|\n");
TestAbstractClass tac = new TestAbstractClass();
tac.Test();
//File operations
fop textop = new fop();
textop.FileTextOp();
}