using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.Xml;
namespace Task_3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
///
/// Opens File and executes code to show how many duplicates there are
///
///
///
private void openFileToolStripMenuItem_Click(object sender, EventArgs e)
{
//Set up streamreader
StreamReader reader;
//Create filter for txt files
openFileDialog1.Filter = "Text Document|*.txt|All Files|*.*";
//List to store all names
List namesList = new List ();
//List to store duplicate names
List duplicateCheckList = new List();
//Try catch for input
try
{
//If ok is pressed
if(openFileDialog1.ShowDialog() == DialogResult.OK)
{
//Reads file
reader = File.OpenText(openFileDialog1.FileName);
//Try catch for input
try
{
//Execute until the end of stream
while (!reader.EndOfStream)
{
//Reads each line and stores into 2 lists and displays the name
string line = reader.ReadLine();
namesList.Add(line);
duplicateCheckList.Add(line);
listBoxAllNames.Items.Add(line);
}
//Set a counter for number of duplicates
int counter = 0;
//Goes through each name is original list
foreach (string iNameList in namesList)
{
//Goes through each name in duplicate list
foreach (string iDuplicateCheck in duplicateCheckList)
{
//Checks if the original name list matches the duplicate list
if (iNameList == iDuplicateCheck)
{
//Counts the duplicate
counter++;
}
}
//Checks if a duplication has occured
if (counter != 0)
{
//Displays the dupliacte items with the number of duplicates
listBoxDuplicates.Items.Add(iNameList + ": " + counter);
}
//Removes all the duplicates from the duplicated list so it doesn't get show again
duplicateCheckList.RemoveAll(x => x == iNameList);
//Set counter to 0 for next
counter = 0;
}
}
catch (Exception ex)
{
//Displays error message
MessageBox.Show(ex.Message);
//Clears listboxes
listBoxAllNames.Items.Clear();
listBoxDuplicates.Items.Clear();
}
}
}
catch (Exception ex)
{
//Displays error message
MessageBox.Show(ex.Message
);
//Clears listboxes
listBoxAllNames.Items.Clear ();
listBoxDuplicates.Items.Clear();
}
}
}
}