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 Microsoft.Win32;
using System.IO;

namespace OutlookWFA
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            if (Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Office\16.0") != null)
            {
                object outlook16 = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Office\16.0\Outlook\Security").GetValue("OutlookSecureTempFolder");
                Empty(outlook16.ToString());
                if (MessageBox.Show("Success! The folder has been cleared!") == DialogResult.OK)
                {
                    this.Close();
                }
            }
            else if (Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Office\15.0") != null)
            {
                object outlook13 = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Office\15.0\Outlook\Security").GetValue("OutlookSecureTempFolder");
                Empty(outlook13.ToString());
                if (MessageBox.Show("Success! The folder has been cleared!") == DialogResult.OK)
                {
                    this.Close();
                }
            }
            else if (Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Office\14.0") != null)
            {
                object outlook10 = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Office\14.0\Outlook\Security").GetValue("OutlookSecureTempFolder");
                Empty(outlook10.ToString());
                if (MessageBox.Show("Success! The folder has been cleared!") == DialogResult.OK)
                {
                    this.Close();
                }
            }
            else if (Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Office\12.0") != null)
            {
                object outlook07 = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Office\12.0\Outlook\Security").GetValue("OutlookSecureTempFolder");
                Empty(outlook07.ToString());
                if (MessageBox.Show("Success! The folder has been cleared!") == DialogResult.OK)
                {
                    this.Close();
                }
            }
            else if (Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Office\11.0") != null)
            {
                object outlook03 = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Office\11.0\Outlook\Security").GetValue("OutlookSecureTempFolder");
                Empty(outlook03.ToString());
                if (MessageBox.Show("Success! The folder has been cleared!") == DialogResult.OK)
                {
                    this.Close();
                }
            }
            else
            {
                MessageBox.Show("ERROR! \nCould not find Outlook 2003 - 2016 on this Machine.", "Outlook Not Detected");
                this.Close();
            }

        }
        public void Empty(string path)
        {
            DirectoryInfo dir = new DirectoryInfo(System.IO.Path.GetDirectoryName(path));
            foreach (System.IO.FileInfo file in dir.GetFiles())
            {
                file.Delete();
            }
            foreach (System.IO.DirectoryInfo subDirectory in dir.GetDirectories())
            {
                subDirectory.Delete(true);
            }
        }
    }
}