Csharp/C Sharp by API/System.Drawing/Size
new Size
using System;
using System.Drawing;
class Class1 {
static void Main(string[] args) {
Point topLeft = new Point(10,10);
Size rectangleSize = new Size(50,50);
Point bottomRight = topLeft + rectangleSize;
Console.WriteLine("topLeft = " + topLeft);
Console.WriteLine("bottomRight = " + bottomRight);
Console.WriteLine("Size = " + rectangleSize);
}
}