Mega Code Archive
Is and Box UnBox
<![CDATA[
/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
namespace nsBox
{
using System;
struct Point
{
public Point (int x, int y)
{
cx = x;
cy = y;
}
public override string ToString ()
{
return ("(" + cx + ", " + cy + ")");
}
public int cx;
public int cy;
}
public class BoxUnBox
{
static public void Main ()
{
long LongVal = 9600;
object o = LongVal;
ShowObject (o);
o = 4096;
ShowObject (o);
Point point = new Point (42, 96);
ShowObject (point);
clsBox test = new clsBox();
ShowObject (test);
}
static public void ShowObject (object o)
{
if (o is int)
Console.WriteLine ("The object is an integer");
if (o is long)
Console.WriteLine ("The object is a long");
else if (o is Point)
Console.WriteLine ("The object is a Point structure");
else if (o is clsBox)
Console.WriteLine ("The object is a clsBox class object");
Console.WriteLine ("The value of object is " + o + "\r\n");
}
}
class clsBox
{
public override string ToString()
{
return ("\"-- clsBox --\"");
}
}
}
]]>