// Precondition: None // Postcondition: The address' name has been set to the // specified value set;

Transcription

1 // File: Address.cs // This classes stores a typical US address consisting of name, // two address lines, city, state, and 5 digit zip code. using System; using System.Collections.Generic; using System.Linq; using System.Text; [Serializable] public class Address public const int MIN_ZIP = 0; // Minimum ZipCode value public const int MAX_ZIP = 99999; // Maximum ZipCode value private int zip; // Address' zip code // Precondition: MIN_ZIP <= zipcode <= MAX_ZIP // Postcondition: The address is created with the specified values for // name, address1, address2, city, state, and zipcode public Address(String name, String address1, String address2, String city, String state, int zipcode) Name = name; Address1 = address1; Address2 = address2; City = city; State = state; Zip = zipcode; public String Name // Postcondition: The address' name has been returned ; // Postcondition: The address' name has been set to the set; public String Address1 // Postcondition: The address' first address line has been returned ; // Postcondition: The address' first address line has been set to // the specified value set; public String Address2

2 // Postcondition: The address' second address line has been returned ; // Postcondition: The address' second address line has been set to // the specified value set; public String City // Postcondition: The address' city has been returned ; // Postcondition: The address' city has been set to the set; public String State // Postcondition: The address' state has been returned ; // Postcondition: The address' state has been set to the set; public int Zip // Postcondition: The address' zip code has been returned return zip; // Precondition: MIN_ZIP <= value <= MAX_ZIP // Postcondition: The address' zip code has been set to the set if ((value >= MIN_ZIP) && (value <= MAX_ZIP)) zip = value; else throw new ArgumentOutOfRangeException("ZIP", value, "ZIP must be U.S. 5 digit zip code"); // Postcondition: A String with the address' data has been returned public override String ToString()

3 if (String.IsNullOrWhiteSpace(Address2)) // Is Address2 empty? return String.Format("05152, 3 4:D5", Name, Address1, City, State, Zip, Environment.NewLine); else return String.Format(" , 4 5:D5", Name, Address1, Address2, City, State, Zip, Environment.NewLine); // File: AirPackage.cs

4 // The AirPackage class is an abstract derived class from Package. It is able // to determine if the package is heavy or large. using System; using System.Collections.Generic; using System.Linq; using System.Text; [Serializable] public abstract class AirPackage : Package public const double HEAVY_THRESHOLD = 75; // Min weight of heavy package public const double LARGE_THRESHOLD = 100; // Min dimensions of large package // Precondition: plength > 0, pwidth > 0, pheight > 0, // pweight > 0 // Postcondition: The air package is created with the specified values for // origin address, destination address, length, width, // height, and weight public AirPackage(Address originaddress, Address destaddress, double plength, double pwidth, double pheight, double pweight) : base(originaddress, destaddress, plength, pwidth, pheight, pweight) // All work done in base class constructor // Postcondition: Returns true if air package is considered heavy // else returns false public bool IsHeavy() return (Weight >= HEAVY_THRESHOLD); // Postcondition: Returns true if air package is considered large // else returns false public bool IsLarge() return (TotalDimension >= LARGE_THRESHOLD); // Postcondition: A String with the air package's data has been returned public override string ToString() string NL = Environment.NewLine; // Newline shorthand return $"Airbase.ToString()NLIsHeavy: IsHeavy()NLIsLarge: IsLarge()";

5 // File: GroundPackage.cs // The Package class is a concrete derived class from Package. It adds // a Zone Distance. using System; using System.Collections.Generic; using System.Linq; using System.Text; [Serializable] public class GroundPackage : Package // Precondition: plength > 0, pwidth > 0, pheight > 0, // pweight > 0 // Postcondition: The ground package is created with the specified values for // origin address, destination address, length, width, // height, and weight public GroundPackage(Address originaddress, Address destaddress, double plength, double pwidth, double pheight, double pweight) : base(originaddress, destaddress, plength, pwidth, pheight, pweight) // All work done in base class constructor public int ZoneDistance // Postcondition: The ground package's zone distance is returned. // The zone distance is the positive difference between the // first digit of the origin address' zip code and the first // digit of the destination address' zip code. const int FIRST_DIGIT_FACTOR = 10000; // Denominator to extract 1st digit int dist; // Calculated zone distance dist = Math.Abs((OriginAddress.Zip / FIRST_DIGIT_FACTOR) - (DestinationAddress.Zip / FIRST_DIGIT_FACTOR)); return dist; // Postcondition: The ground package's cost has been returned public override decimal CalcCost() const double DIM_FACTOR =.20; // Dimension coefficient in cost equation const double WEIGHT_FACTOR =.05; // Weight coefficient in cost equation return (decimal)(dim_factor * TotalDimension + WEIGHT_FACTOR * (ZoneDistance + 1) * Weight); // Postcondition: A String with the ground package's data has been returned public override string ToString()

6 string NL = Environment.NewLine; // Newline shorthand return $"Groundbase.ToString()NLZone Distance: ZoneDistance:D"; // File: Letter.cs // The Letter class is a concrete derived class of Parcel. Letters // have a fixed cost. using System; using System.Collections.Generic; using System.Linq; using System.Text; [Serializable] public class Letter : Parcel private decimal fixedcost; // Cost to send letter // Precondition: cost >= 0 // Postcondition: The letter is created with the specified values for // origin address, destination address, and cost public Letter(Address originaddress, Address destaddress, decimal cost) : base(originaddress, destaddress) FixedCost = cost; private decimal FixedCost // Helper property // Postcondition: The letter's fixed cost has been returned return fixedcost; // Precondition: value >= 0 // Postcondition: The letter's fixed cost has been set to the set if (value >= 0) fixedcost = value; else throw new ArgumentOutOfRangeException("FixedCost", value, "FixedCost must be >= 0");

7 // Postcondition: The letter's cost has been returned public override decimal CalcCost() return FixedCost; // Postcondition: A String with the letter's data has been returned public override string ToString() return $"LetterEnvironment.NewLinebase.ToString()"; // File: NextDayAirPackage.cs // The NextDayAirPackage class is a concrete derived class from AirPackage. It adds // an express fee. using System; using System.Collections.Generic; using System.Linq; using System.Text; [Serializable] public class NextDayAirPackage : AirPackage private decimal expressfee; // Next day air package's express fee // Precondition: plength > 0, pwidth > 0, pheight > 0,

8 // pweight > 0, expfee >= 0 // Postcondition: The next day air package is created with the specified values for // origin address, destination address, length, width, // height, weight, and express fee public NextDayAirPackage(Address originaddress, Address destaddress, double plength, double pwidth, double pheight, double pweight, decimal expfee) : base(originaddress, destaddress, plength, pwidth, pheight, pweight) ExpressFee = expfee; public decimal ExpressFee // Postcondition: The next day air package's express fee has been returned return expressfee; // Precondition: value >= 0 // Postcondition: The next day air package's express fee has been set to the private set // Helper set property if (value >= 0) expressfee = value; else throw new ArgumentOutOfRangeException("ExpressFee", value, "ExpressFee must be >= 0"); // Postcondition: The next day air package's cost has been returned public override decimal CalcCost() const double DIM_FACTOR =.40; // Dimension coefficient in cost equation const double WEIGHT_FACTOR =.30; // Weight coefficient in cost equation const double HEAVY_FACTOR =.25; // Heavy coefficient in cost equation const double LARGE_FACTOR =.25; // Large coefficient in cost equation decimal cost; // Running total of cost of package cost = (decimal)(dim_factor * TotalDimension + WEIGHT_FACTOR * Weight) + ExpressFee; if (IsHeavy()) cost += (decimal)(heavy_factor * Weight); if (IsLarge()) cost += (decimal)(large_factor * TotalDimension); return cost; // Postcondition: A String with the next day air package's data has been returned public override string ToString()

9 string NL = Environment.NewLine; // Newline shorthand return $"NextDaybase.ToString()NLExpress Fee: ExpressFee:C"; // File: Package.cs // The Package class is an abstract derived class from Parcel. It adds // dimensions and weight. using System; using System.Collections.Generic; using System.Linq; using System.Text; [Serializable] public abstract class Package : Parcel private double length; // Length of package in inches private double width; // Width of package in inches private double height; // Height of package in inches private double weight; // Weight of package in pounds // Precondition: plength > 0, pwidth > 0, pheight > 0, // pweight > 0 // Postcondition: The package is created with the specified values for // origin address, destination address, length, width, // height, and weight public Package(Address originaddress, Address destaddress, double plength, double pwidth, double pheight, double pweight) : base(originaddress, destaddress) Length = plength; Width = pwidth; Height = pheight; Weight = pweight; public double Length // Postcondition: The package's length has been returned return length; // Precondition: value > 0 // Postcondition: The package's length has been set to the set

10 if (value > 0) length = value; else throw new ArgumentOutOfRangeException("Length", value, "Length must be > 0"); public double Width // Postcondition: The package's width has been returned return width; // Precondition: value > 0 // Postcondition: The package's width has been set to the set if (value > 0) width = value; else throw new ArgumentOutOfRangeException("Width", value, "Width must be > 0"); public double Height // Postcondition: The package's height has been returned return height; // Precondition: value > 0 // Postcondition: The package's height has been set to the set if (value > 0) height = value; else throw new ArgumentOutOfRangeException("Height", value, "Height must be > 0"); public double Weight // Postcondition: The package's weight has been returned

11 return weight; // Precondition: value > 0 // Postcondition: The package's weight has been set to the set if (value > 0) weight = value; else throw new ArgumentOutOfRangeException("Weight", value, "Weight must be > 0"); // Helper Property protected double TotalDimension // Postcondition: The package's (Length + Width + Height) is returned return (Length + Width + Height); // Postcondition: A String with the package's data has been returned public override string ToString() string NL = Environment.NewLine; // Newline shorthand return $"PackageNLbase.ToString()NLLength: Length:N1NLWidth: Width:N1NL" + $"Height: Height:N1NLWeight: Weight:N1"; // File: Parcel.cs // Parcel serves as the abstract base class of the Parcel hierachy. using System; using System.Collections.Generic; using System.Linq; using System.Text; [Serializable] public abstract class Parcel // Postcondition: The parcel is created with the specified values for

12 // origin address and destination address public Parcel(Address originaddress, Address destaddress) OriginAddress = originaddress; DestinationAddress = destaddress; public Address OriginAddress // Postcondition: The parcel's origin address has been returned ; // Postcondition: The parcel's origin address has been set to the set; public Address DestinationAddress // Postcondition: The parcel's destination address has been returned ; // Postcondition: The parcel's destination address has been set to the set; // Postcondition: The parcel's cost has been returned public abstract decimal CalcCost(); // Postcondition: A String with the parcel's data has been returned public override String ToString() return String.Format("Origin Address:3033Destination Address:313Cost: 2:C", OriginAddress, DestinationAddress, CalcCost(), Environment.NewLine); // File: TwoDayAirPackage.cs // The TwoDayAirPackage class is a concrete derived class from AirPackage. It adds // a delivery type. using System; using System.Collections.Generic; using System.Linq; using System.Text;

13 [Serializable] public class TwoDayAirPackage : AirPackage public enum Delivery Early, Saver ; // Delivery types // Precondition: plength > 0, pwidth > 0, pheight > 0, // pweight > 0 // Postcondition: The two day air package is created with the specified values for // origin address, destination address, length, width, // height, weight, and delivery type public TwoDayAirPackage(Address originaddress, Address destaddress, double plength, double pwidth, double pheight, double pweight, Delivery deltype) : base(originaddress, destaddress, plength, pwidth, pheight, pweight) DeliveryType = deltype; public Delivery DeliveryType // Postcondition: The two day air package's delivery type has been returned ; // Postcondition: The two day air package's delivery type has been set to the set; // Postcondition: The two day air package's cost has been returned public override decimal CalcCost() const double DIM_FACTOR =.25; // Dimension coefficient in cost equation const double WEIGHT_FACTOR =.25; // Weight coefficient in cost equation const decimal DISCOUNT_FACTOR = 0.10M; // Discount factor in cost equation decimal cost; // Running total of cost of package cost = (decimal)(dim_factor * TotalDimension + WEIGHT_FACTOR * Weight); if (DeliveryType == Delivery.Saver) cost *= (1-DISCOUNT_FACTOR); return cost; // Postcondition: A String with the two day air package's data has been returned public override string ToString() string NL = Environment.NewLine; // Newline shorthand return $"TwoDaybase.ToString()NLDelivery Type: DeliveryType";

14 // File: UserParcelView.cs // The user parcel view manages the business logic and will be used by the Windows Forms application // to accomplish the general functionality. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace UPVApp [Serializable] public class UserParcelView // Namespace Accessible Data - Use with care internal List<Address> addresses; // List of addresses stored for this user internal List<Parcel> parcels; // List of parcels for this user // Postcondition: The view has been created and is empty (no addresses, no parcels) public UserParcelView() addresses = new List<Address>(); parcels = new List<Parcel>(); // Precondition: Address.MIN_ZIP <= zipcode <= Address.MAX_ZIP // Postcondition: An Address with the specified values has been created // and added to the UserParcelView. public void AddAddress(String name, String address1, String address2, String city, String state, int zipcode) Address a; // The address being added a = new Address(name, address1, address2, city, state, zipcode); addresses.add(a); // Precondition: cost >= 0 // Postcondition: A Letter with the specified values has been created // and added to the UserParcelView. public void AddLetter(Address originaddress, Address destaddress, decimal cost) Letter l; // The letter being added l = new Letter(originAddress, destaddress, cost);

15 parcels.add(l); // Precondition: plength > 0, pwidth > 0, pheight > 0, // pweight > 0 // Postcondition: A GroundPackage with the specified values has been created // and added to the UserParcelView. public void AddGroundPackage(Address originaddress, Address destaddress, double plength, double pwidth, double pheight, double pweight) GroundPackage p; // The ground package being added p = new GroundPackage(originAddress, destaddress, plength, pwidth, pheight, pweight); parcels.add(p); expfee) // Precondition: plength > 0, pwidth > 0, pheight > 0, // pweight > 0, expfee >= 0 // Postcondition: A NextDayAirPackage with the specified values has been created // and added to the UserParcelView. public void AddNextDayAirPackage(Address originaddress, Address destaddress, double plength, double pwidth, double pheight, double pweight, decimal NextDayAirPackage p; // The next day air package being added p = new NextDayAirPackage(originAddress, destaddress, plength, pwidth, pheight, pweight, expfee); parcels.add(p); // Precondition: plength > 0, pwidth > 0, pheight > 0, // pweight > 0 // Postcondition: A TwoDayAirPackage with the specified values has been created // and added to the UserParcelView. public void AddTwoDayAirPackage(Address originaddress, Address destaddress, double plength, double pwidth, double pheight, double pweight, TwoDayAirPackage.Delivery deltype) TwoDayAirPackage p; // The two day air package being added p = new TwoDayAirPackage(originAddress, destaddress, plength, pwidth, pheight, pweight, deltype); parcels.add(p); public int AddressCount // Postcondition: The number of addresses in the UserParcelView // is returned. return addresses.count;

16 public int ParcelCount // Postcondition: The number of parcels in the UserParcelView // is returned. return parcels.count; // Precondition: 0 <= index < AddressCount // Postcondition: The specified address is returned public Address AddressAt(int index) if ((index < 0) (index >= AddressCount)) throw new ArgumentOutOfRangeException("index", index, "Invalid index!"); return AddressList[index]; // Precondition: 0 <= index < ParcelCount // Postcondition: The specified address is returned public Parcel ParcelAt(int index) if ((index < 0) (index >= ParcelCount)) throw new ArgumentOutOfRangeException("index", index, "Invalid index!"); return ParcelList[index]; internal List<Address> AddressList // Namespace Helper property - Use with care // Postcondition: The list of addresses stored in the UserParcelView // is returned. return addresses; internal List<Parcel> ParcelList // Namespace Helper property - Use with care // Postcondition: The list of parcels stored in the UserParcelView // is returned. return parcels; // Postcondition: A string summary of the UserParcel View is returned. public override string ToString()

17 // Using StringBuilder to show use of a more efficient way than String concatenation StringBuilder result = new StringBuilder(); // Will hold result as being built string NL = Environment.NewLine; // Newline shorthand decimal totalcost = 0; // Running total of parcel costs foreach (Parcel p in ParcelList) totalcost += p.calccost(); result.append($"userparcelview Info:NL"); result.append($"number of Addresses stored: AddressCountNL"); result.append($"number of Parcels stored: ParcelCountNL"); result.append($"total cost of Parcels: totalcost:cnl"); return result.tostring(); // File: Prog3Form.cs // This class creates the main GUI for Program 3. It provides a // File menu with About, Open, Save As and Exit items, an Insert menu with Address and // Letter items, and a Report menu with List Addresses and List Parcels // items that can be updated. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.IO; using System.Runtime.Serialization.Formatters.Binary; using System.Runtime.Serialization; namespace UPVApp public partial class Prog3Form : Form private BinaryFormatter formatter = new BinaryFormatter(); // object for serializing Addresses in Binary Format. private FileStream output; // stream for writing to a file private BinaryFormatter reader = new BinaryFormatter(); // object for deserializing Addresses in Binary Format;

18 private FileStream input; from a file private UserParcelView upv; // stream for reading // upv object are // Postcondition: The form's GUI is prepared for display. A few test addresses // added to the list of addresses public Prog3Form() InitializeComponent(); upv = new UserParcelView(); // Precondition: File, About menu item activated // Postcondition: Information about author displayed in dialog box private void abouttoolstripmenuitem_click(object sender, EventArgs e) string NL = Environment.NewLine; // Newline shorthand MessageBox.Show($"Program 2NLBy: Ndaw, Maam AwaNLCIS 200NLFall 2016", "About Program 2"); // Precondition: File, Exit menu item activated // Postcondition: The application is exited private void exittoolstripmenuitem_click(object sender, EventArgs e) Application.Exit(); // Precondition: Insert, Address menu item activated // Postcondition: The Address dialog box is displayed. If data entered // are OK, an Address is created and added to the list // of addresses private void addresstoolstripmenuitem_click(object sender, EventArgs e) AddressForm addressform = new AddressForm(); // The address dialog box form DialogResult result = addressform.showdialog(); // Show form as dialog and store result if (result == DialogResult.OK) // Only add if OK try upv.addaddress(addressform.addressname, addressform.address1, addressform.address2, addressform.city, addressform.state, int.parse(addressform.ziptext)); // Use form's properties to create address catch (FormatException) // This should never happen if form validation works!

19 Error"); MessageBox.Show("Problem with Address Validation!", "Validation addressform.dispose(); // Best practice for dialog boxes built than String // Precondition: Report, List Addresses menu item activated // Postcondition: The list of addresses is displayed in the addressresultstxt // text box private void listaddressestoolstripmenuitem_click(object sender, EventArgs e) StringBuilder result = new StringBuilder(); // Holds text as report being string NL = Environment.NewLine; // StringBuilder more efficient // Newline shorthand result.append("addresses:"); result.append(nl); // Remember, \n doesn't always work in GUIs result.append(nl); foreach (Address a in upv.addresslist) result.append(a.tostring()); result.append(nl); result.append(" "); result.append(nl); reporttxt.text = result.tostring(); // Put cursor at start of report reporttxt.focus(); reporttxt.selectionstart = 0; reporttxt.selectionlength = 0; // Precondition: Insert, Letter menu item activated // Postcondition: The Letter dialog box is displayed. If data entered // are OK, a Letter is created and added to the list // of parcels private void lettertoolstripmenuitem_click(object sender, EventArgs e) LetterForm letterform; // The letter dialog box form DialogResult result; // The result of showing form as dialog if (upv.addresscount < LetterForm.MIN_ADDRESSES) // Make sure we have enough addresses MessageBox.Show("Need " + LetterForm.MIN_ADDRESSES + " addresses to create letter!", "Addresses Error"); return; letterform = new LetterForm(upv.AddressList); // Send list of addresses

20 result = letterform.showdialog(); inserted works! Error"); if (result == DialogResult.OK) // Only add if OK try // For this to work, LetterForm's combo boxes need to be in same // order as upv's AddressList upv.addletter(upv.addressat(letterform.originaddressindex), upv.addressat(letterform.destinationaddressindex), decimal.parse(letterform.fixedcosttext)); // Letter to be catch (FormatException) // This should never happen if form validation MessageBox.Show("Problem with Letter Validation!", "Validation letterform.dispose(); // Best practice for dialog boxes built // Precondition: Report, List Parcels menu item activated // Postcondition: The list of parcels is displayed in the parcelresultstxt // text box private void listparcelstoolstripmenuitem_click(object sender, EventArgs e) StringBuilder result = new StringBuilder(); // Holds text as report being than String decimal totalcost = 0; shipping costs string NL = Environment.NewLine; // StringBuilder more efficient // Running total of parcel // Newline shorthand result.append("parcels:"); result.append(nl); // Remember, \n doesn't always work in GUIs result.append(nl); foreach (Parcel p in upv.parcellist) result.append(p.tostring()); result.append(nl); result.append(" "); result.append(nl); totalcost += p.calccost(); result.append(nl); result.append($"total Cost: totalcost:c"); reporttxt.text = result.tostring(); // Put cursor at start of report reporttxt.focus(); reporttxt.selectionstart = 0;

21 reporttxt.selectionlength = 0; // Precondition: File, Open menu item activated // Postcondition: File Opened private void opentoolstripmenuitem_click(object sender, EventArgs e) DialogResult result; // result of OpenFileDialog string filename; // name of file containing data Box using (OpenFileDialog filechooser = new OpenFileDialog()) result = filechooser.showdialog(); // Retrieve the result of the dialog filename = filechooser.filename; // end using // Get specified file if (result == DialogResult.OK) if (filename!= string.empty) try input = new FileStream(fileName, FileMode.Open, FileAccess.Read); // Create FileStream to obtain read access to file upv = (UserParcelView)reader.Deserialize(input); // Get next record serializable available in file. // end try // Handle exception when there are no Addresses in file catch (SerializationException) MessageBox.Show("Error reading from file", string.empty, MessageBoxButtons.OK, MessageBoxIcon.Information); // end catch // Finally block finally if (input!= null) input.close(); // input not null // Close FileStreaam // Precondition: File, Save As menu item activated // Postcondition: File Saved private void saveastoolstripmenuitem_click(object sender, EventArgs e) //create and show dialog box enabling user to save file DialogResult result; // The result of showing form as dialog string filename; // name of the file name to save data using (SaveFileDialog filechooser = new SaveFileDialog())

22 Box filechooser.checkfileexists = false; // Let user create file. result = filechooser.showdialog(); // Retrieve the result of the dialog filename = filechooser.filename; // end using // Get specified file name FileAccess.Write); // Only add if ok if (result == DialogResult.OK) // Checks if not empty file name if (filename!= string.empty) try output = new FileStream(fileName, FileMode.Create, // Open file with write access formatter.serialize(output, upv); // write Address to FileStream (Serialize object) // end try // Exception handling if there's a problem opening the file catch (IOException) MessageBox.Show("Error opening file", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); // end catch // Notify user if error occurs in serialization catch ( SerializationException) MessageBox.Show("Error writing to file", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); // end catch // Finally block finally if (output!= null) output.close(); // Output not null // Close FileStreaam // Precondition: Edit Address is selected // Postcondition: ChooseAddressForm displays, allows user to select address to edit // when user presses ok, addressform display prepopulated with address data. private void addresstoolstripmenuitem1_click(object sender, EventArgs e) ChooseAddressForm editaddress = new ChooseAddressForm(upv.AddressList); // The Choose Address dialog box form DialogResult result = editaddress.showdialog(); // The result of showing form as dialog

23 int editaddressindex; // To hold address indexes for editing if (upv.addresscount < ChooseAddressForm.MIN_ADDRESSES) // Make sure at least 1 address is selected MessageBox.Show("Need at least " + ChooseAddressForm.MIN_ADDRESSES + " address to edit!", "Addresses Error"); return; if (result == DialogResult.OK) // Only add if OK editaddressindex = editaddress.chooseaddress; // Variable to hold selected address index AddressForm editaddressform = new AddressForm(); // EditAddressForm calls a new address form Address address = upv.addressat(editaddressindex); // Variable to hold address object // To pre-populate Address Form editaddressform.addressname = address.name; // Address Name editaddressform.address1 = address.address1; // Address 1 editaddressform.address2 = address.address2; // Address 2 editaddressform.city = address.city; // City editaddressform.state = address.state; // State editaddressform.ziptext = address.zip.tostring("d5"); // Zip result = editaddressform.showdialog(); result on Address Form Dialog Box // Displays variable Name if (result == DialogResult.OK) // Only add if OK try // To Set data in address fields from Address Form for each address.name = editaddressform.addressname; // Address address.address1 = editaddressform.address1; // Address 1 address.address2 = editaddressform.address2; // Address 2 address.city = editaddressform.city; // City address.state = editaddressform.state; // State address.zip = int.parse(editaddressform.ziptext); // Zip // Exception handling if there's a problem edit addresses catch (IOException) MessageBox.Show("Error editing address", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); // end catch

24 editaddress.dispose(); // Best practice for dialog boxes