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Main.cs
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Main.cs
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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;
using System.IO;
using Text_Raffle.Properties;
using Excel = Microsoft.Office.Interop.Excel;
using System.Runtime.InteropServices;
using System.Media;
namespace Text_Raffle
{
public partial class frmMain : Form
{
private List<string> entries, won;
private bool jrun = false;
private Random randomizer = new Random();
private object syncL = new object();
SoundPlayer ding = new SoundPlayer(Application.StartupPath + "\\sounds\\ding.wav");
SoundPlayer cheer = new SoundPlayer(Application.StartupPath + "\\sounds\\cheer.wav");
public frmMain()
{
InitializeComponent();
}
// Method for prompting won entries.
private void queryMark()
{
if (jrun)
{
if (MessageBox.Show(this, "Mark entry as won?", "Winner", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == System.Windows.Forms.DialogResult.Yes)
{
won.Add(lblWinner.Text);
}
jrun = false;
}
}
// Loads a file to a list.
private void loadFile()
{
entries = new List<string>();
if (txtSource.Text.Contains("csv") || txtSource.Text.Contains("txt"))
{
StreamReader reader = new StreamReader(txtSource.Text);
string line = "";
while (!reader.EndOfStream)
{
line = reader.ReadLine().Trim();
if (line == "" || line.Contains("name") || line.Contains("Name"))
{
continue;
}
entries.Add(line);
}
}
else if (txtSource.Text.Contains("xlsx"))
{
Excel.Application xlApp = new Excel.Application();
Excel.Workbook xlWorkbook = xlApp.Workbooks.Open(txtSource.Text);
Excel._Worksheet xlWorksheet = (Excel.Worksheet)xlWorkbook.Sheets[1];
Excel.Range xlRange = xlWorksheet.UsedRange;
int lastUsedRow = xlWorksheet.Cells.Find("*", System.Reflection.Missing.Value,
System.Reflection.Missing.Value, System.Reflection.Missing.Value,
Excel.XlSearchOrder.xlByRows, Excel.XlSearchDirection.xlPrevious,
false, System.Reflection.Missing.Value, System.Reflection.Missing.Value).Row;
for (int i = 2; i <= lastUsedRow; i++)
{
entries.Add((string)(xlWorksheet.Cells[i, 1] as Excel.Range).Value);
}
//cleanup
GC.Collect();
GC.WaitForPendingFinalizers();
//release com objects to fully kill excel process from running in the background
Marshal.ReleaseComObject(xlRange);
Marshal.ReleaseComObject(xlWorksheet);
//close and release
xlWorkbook.Close();
Marshal.ReleaseComObject(xlWorkbook);
//quit and release
xlApp.Quit();
Marshal.ReleaseComObject(xlApp);
}
lblNumEntries.Text = entries.Count.ToString();
btnStart.Enabled = true;
btnStart.Visible = true;
}
// Random number generator
public int randomNumber(int min, int max)
{
lock (syncL)
{
return randomizer.Next(min, max);
}
}
// Handles the Load event of the frmMain control.
// Turns the window into full screen, loads the saved settings, and initializes the main lists.
private void frmMain_Load(object sender, EventArgs e)
{
this.Bounds = Screen.PrimaryScreen.Bounds;
won = new List<string>();
if (!(Settings.Default["Won"] == null))
{
won = new List<string>(((string)Settings.Default["Won"]).Split('|'));
}
entries = new List<string>();
btnStart.Enabled = false;
btnStart.Visible = false;
}
// Handles the Click event of the btnExit control. Exits the application.
private void btnExit_Click(object sender, EventArgs e)
{
Application.Exit();
}
// Handles the Click event of the btnStart control.
private void btnStart_Click(object sender, EventArgs e)
{
queryMark();
if (entries.Count < 2)
{
return;
}
tmMain.Interval = 10;
tmMain.Enabled = true;
}
// Triggers the Open File Dialog, and executes the loadFile method.
private void btnSource_Click(object sender, EventArgs e)
{
ofd.Filter = "Excel files (*.xlsx)|*.xlsx|CSV files (*.csv)| *.csv|Text files (*.txt)| *.txt";
ofd.ShowDialog();
if (ofd.FileName == "")
{
return;
}
txtSource.Text = ofd.FileName;
loadFile();
}
// Main timer that randomizes the names.
private void tmMain_Tick(object sender, EventArgs e)
{
string entry = "";
entry = entries[randomNumber(0, entries.Count)];
while (won.Contains(entry, StringComparer.Ordinal) && won.Count > 1)
{
entry = entries[randomNumber(0, entries.Count)];
}
lblWinner.Text = entry;
lblWinner.ForeColor = Color.Red;
ding.Play();
tmMain.Interval += 20;
if (tmMain.Interval >= 550)
{
tmCtrl.Enabled = true;
}
}
// Stopping timer, gradually slows (increases interval) randomizing.
private void tmCtrl_Tick(object sender, EventArgs e)
{
cheer.Play();
lblWinner.ForeColor = Color.Green;
tmMain.Enabled = false;
tmCtrl.Enabled = false;
jrun = true;
}
// Handles the FormClosing event of the frmMain control. Saves the settings before closing.
private void frmMain_FormClosing(object sender, FormClosingEventArgs e)
{
queryMark();
Settings.Default["Won"] = String.Join("|", won.ToArray());
Settings.Default.Save();
}
private void btnStart_Paint(object sender, PaintEventArgs e)
{
ControlPaint.DrawBorder(e.Graphics, btnStart.ClientRectangle,
SystemColors.ControlLightLight, 5, ButtonBorderStyle.Outset,
SystemColors.ControlLightLight, 5, ButtonBorderStyle.Outset,
SystemColors.ControlLightLight, 5, ButtonBorderStyle.Outset,
SystemColors.ControlLightLight, 5, ButtonBorderStyle.Outset);
}
private void gbSource_Paint(object sender, PaintEventArgs e)
{
ControlPaint.DrawBorder(e.Graphics, gbSource.ClientRectangle,
SystemColors.ControlLightLight, 5, ButtonBorderStyle.Outset,
SystemColors.ControlLightLight, 0, ButtonBorderStyle.Outset,
SystemColors.ControlLightLight, 5, ButtonBorderStyle.Outset,
SystemColors.ControlLightLight, 5, ButtonBorderStyle.Outset);
}
// Opens up the won entry list.
private void llView_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
queryMark();
frmWon wonFrm = new frmWon();
wonFrm.loadList(won);
wonFrm.ShowDialog();
won = new List<string>();
won = wonFrm.updateList();
}
}
}