MCC - CIS162AD CS10ex Loops and Printing Example

This project is used to demonstrate loops and printing. Creating and submitting the example project is not required, but students may download and expand the self-extracting CS10ex archive into their own workspace if they like.

CS10ex Sample Form:

CS10ex Designer Form:

CS10ex About Form:

CS10ex Print Preview:

CS10exForm.cs Source Code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

/*
 CS10ex Juan Marquez 
 Maintain a list of coffee flavors; 
 Users can Add and Remove flavors, or clear entire list.
 The list can also be printed.
 
*/

namespace CS10ex
{
    public partial class frmCS10ex : Form
    {
        public frmCS10ex()
        {
            InitializeComponent();
        }

        private void mnuEditAdd_Click(object sender, EventArgs e)
        {
            //Add a new coffee flavor to the coffee list
            if (cboCoffee.Text != "")
            {
                cboCoffee.Items.Add(cboCoffee.Text);
                cboCoffee.Text = "";
            }
            else
            {
                MessageBox.Show("Enter a coffee flavor to add", "Missing data",
                    MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            }
            cboCoffee.Focus();
        }

        private void mnuEditRemove_Click(object sender, EventArgs e)
        {
            //Remove the selected coffee from list
            if (cboCoffee.SelectedIndex != -1)
            {
                cboCoffee.Items.RemoveAt(cboCoffee.SelectedIndex);
            }
            else
            {
                MessageBox.Show("First select the coffee to remove",
                    "No selection made", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            }
        }

        private void mnuEditClear_Click(object sender, EventArgs e)
        {
            //Clear the coffee list
            DialogResult responseDialogResult;

            responseDialogResult = MessageBox.Show("Clear the coffee flavor list?",
                "Clear coffee list", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
            if (responseDialogResult == DialogResult.Yes)
            {
                cboCoffee.Items.Clear();
            }
        }

        private void mnuEditDisplayCount_Click(object sender, EventArgs e)
        {
            //Display a count of the coffees in list
            MessageBox.Show("The number of coffee types is " + cboCoffee.Items.Count.ToString());
        }

        private void mnuHelpAbout_Click(object sender, EventArgs e)
        {
            //Create an instance and display frmAbout 
            frmAbout frmAboutObj = new frmAbout();
            frmAboutObj.ShowDialog();   //.ShowDialog displays as a Modal Form
        }

        private void mnuFilePrintPreview_Click(object sender, EventArgs e)
        {
            //Begin print preview by assigning PrintDocument
            printPreviewDialog1.Document = printDocument1;
            printPreviewDialog1.ShowDialog();
        }

        private void mnuFilePrint_Click(object sender, EventArgs e)
        {
            //Trigger the print process by calling the Print method
            printDocument1.Print();
        }

        private void printDocument1_PrintPage(object sender, 
            System.Drawing.Printing.PrintPageEventArgs e)
        {
            //Handle printing and print previews
            //printPreviewDialog1.ShowDialog() and printDocument1.Print() trigger
            //  PrintPage event.

            Font printFont = new Font("Arial", 12);
            Font headingFont = new Font("Arial", 14, FontStyle.Bold);
            float fltLineHeight = printFont.GetHeight();
            float fltPrintX = e.MarginBounds.Left;
            float fltPrintY = e.MarginBounds.Top;
            string strPrintLine;

            //Print Headings
            strPrintLine = "Coffee List ";
            e.Graphics.DrawString(strPrintLine, headingFont,
                Brushes.Black, fltPrintX, fltPrintY);
            strPrintLine = "by Programmer Name";
            fltPrintY += fltLineHeight;
            e.Graphics.DrawString(strPrintLine, headingFont,
                Brushes.Black, fltPrintX, fltPrintY);

            //Leave a blank line between heading and detail line
            fltPrintY += fltLineHeight * 2;

            //Loop through the entire list
            for (int intIndex = 0; intIndex <= cboCoffee.Items.Count - 1; intIndex++)
            {
                //Set up a line
                strPrintLine = cboCoffee.Items[intIndex].ToString();
                //Send the line to the graphics page object
                e.Graphics.DrawString(strPrintLine, printFont,
                    Brushes.Black, fltPrintX, fltPrintY);

                //Increment the Y position for the next line
                fltPrintY += fltLineHeight;
            }
        }		
		
        private void mnuFileExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}


AboutForm.cs Source Code: 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace CS10ex
{
    public partial class frmAbout : Form
    {
        public frmAbout()
        {
            InitializeComponent();
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}

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Revised: 11/03/2011 - www.mesacc.edu/~marquez/cis162ad/cs10ex_loops.html