What does the following code do? The first code listing contains the declaration of the Shape class. Each Shape object represents a closed shape with a number of sides. The second code listing contains a method (Mystery) created by a client of the Shape class. What does this method do?
What will be an ideal response?
// Shapes.cs
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace Shapes
{
///
/// Summary description for FrmShapes.
///
public class FrmShapes : System.Windows.Forms.Form
{
private System.Windows.Forms.Label lblFiveSidesOut;
private System.Windows.Forms.Label lblFourSidesOut;
private System.Windows.Forms.Label lblThreeSidesOut;
private System.Windows.Forms.Label lblTwoSidesOut;
private System.Windows.Forms.Label lblFiveSides;
private System.Windows.Forms.Label lblFourSides;
private System.Windows.Forms.Label lblThreeSides;
private System.Windows.Forms.Label lblTwoSides;
///
/// Required designer variable.
///
private System.ComponentModel.Container components = null;
public FrmShapes()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent
// call
//
}
///
/// Clean up any resources being used.
///
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
// Windows Form Designer generated code
///
/// The main entry point for the application.
///
[STAThread]
static void Main()
{
Application.Run( new FrmShapes() );
}
// calls Mystery to and prints the results
private void FrmShapes_Load(
object sender, System.EventArgs e )
{
Shape objLine = new Shape( 2 );
Shape objTriangle = new Shape( 3 );
Shape objSquare = new Shape( 4 );
Shape objPoly = new Shape( 5 );
lblTwoSidesOut.Text = Mystery( objLine );
lblThreeSidesOut.Text = Mystery( objTriangle );
lblFourSidesOut.Text = Mystery( objSquare );
lblFiveSidesOut.Text = Mystery( objPoly );
} // end method FrmShapes_Load
// returns the name of a shape based on its number of sides
public string Mystery( Shape objShape )
{
string strShape;
switch ( objShape.Side )
{
case 0:
case 1:
case 2: strShape = "Not a Shape";
break;
case 3: strShape = "Triangle";
break;
case 4: strShape = "Square";
break;
default: strShape = "Polygon";
break;
}
return strShape;
} // end method Mystery
} // end class FrmShapes
}
You might also like to view...
A drive is a temporary memory area inside the CPU
Indicate whether the statement is true or false
Many companies implement _____ systems that integrate all customer-related events and transactions.?
A. ?CRM (Customer relationship management) B. ?TCO (Total cost of ownership) C. ?JIT (Just-in-time) D. ?RFID (Radio frequency identification)
The downside of using a wireless range extender over an access point is that it shares the wireless connection and can potentially slow the entire network.
Answer the following statement true (T) or false (F)
You should use a database rather than a spreadsheet if you want to collect, reorganize and filter data, and/or create reports from the data.
Answer the following statement true (T) or false (F)