using System;
interface Printable
{
void MarginX(float factor);
void MarginY(float factor);
}
public class Component
{
public Component() {}
}
public class TextField: Component, Printable
{
public TextField(string text)
{
this.text = text;
}
// implementing Printable.MarginX()
public void MarginX(float factor)
{
Console.WriteLine("MarginX: {0} {1}", text, factor);
// scale the object here.
}
// implementing Printable.MarginY()
public void MarginY(float factor)
{
Console.WriteLine("MarginY: {0} {1}", text, factor);
// scale the object here.
}
private string text;
}
class Test
{
public static void Main()
{
Component[] dArray = new Component[100];
dArray[0] = new Component();
dArray[1] = new TextField("A");
dArray[2] = new TextField("B");
foreach (Component d in dArray)
{
if (d is Printable)
{
Printable scalable = (Printable) d;
scalable.MarginX(0.1F);
scalable.MarginY(10.0F);
}
}
}
}
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