Class for Adding Buttons, Menu Items and Explorer Bars to Internet Explorer

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using CorKat.RegistrySettings;
using Microsoft.Win32;


public partial class _Default : System.Web.UI.Page
{
    InternetExplorerExtender iee = new InternetExplorerExtender();
    int currentStep;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            initialise();
        }
        else
        {
            currentStep = int.Parse(hiddenStep.Value);
        }
    }
    private void initialise()
    {
        currentStep = 1;
    }
    private void Next()
    {
        currentStep += 1;
        if (currentStep >= 2)
        {
            //hit the last step so set up the panels depending on what is selected
            DisplayDetailsOptions();
            // no more steps so disable the next button and enable the finish
            cmdNext.Enabled = false;
            cmdFinish.Enabled = CheckValues();
        }
        cmdPrev.Enabled = true;
        MultiView1.ActiveViewIndex = currentStep;
    }
    private bool CheckValues()
    {
        //todo: add catch for when a value isnt entered.
        return true;
    }
    private void DisplayDetailsOptions()
    {
        //hide all panels
        pnlButton.Visible = false;
        pnlApplication.Visible = false;
        pnlTools.Visible = false;
        pnlExplorerBar.Visible = false;

        if (cboCreationType.Items[0].Selected) //button
        {
            pnlButton.Visible = true;
            pnlApplication.Visible = true;
        }
        if (cboCreationType.Items[1].Selected) //menu
        {
            pnlMenu.Visible = true;
            pnlApplication.Visible = true;
            pnlTools.Visible = true;
        }
        if (cboCreationType.Items[2].Selected) // explorer bar
        {
            if (cboCreationType.Items[1].Selected) //menu
                pnlApplication.Visible = true;
            else
                pnlApplication.Visible = false;
            pnlMenu.Visible = true;
            pnlExplorerBar.Visible = true;
        }
    }
    private void Prev()
    {
        currentStep -= 1;
        if (currentStep <= 0)
        {
            cmdPrev.Enabled = false;
        }
        cmdNext.Enabled = true;
        MultiView1.ActiveViewIndex = currentStep;
    }
    protected void cmdPrev_Click(object sender, EventArgs e)
    {
        int intTemp = currentStep - 1;
        hiddenStep.Value = intTemp.ToString();
        Prev();
    }
    protected void cmdNext_Click(object sender, EventArgs e)
    {
        int intTemp = currentStep + 1;
        hiddenStep.Value = intTemp.ToString();
        Next();
    }
    protected void cmdFinish_Click(object sender, EventArgs e)
    {
        //set class properties
        if (cboCreationType.Items[2].Selected) // explorer bar
        {
            iee.MenuText = txtMenuText.Text;
            if (txtDll.PostedFile.FileName != "")
                iee.Dll = txtDll.PostedFile.FileName;
            if (txtURL.Text != "")
                iee.URL = txtURL.Text;
            iee.CreateNewExplorerBar();
        }

        if (cboCreationType.Items[0].Selected) //button
        {
            // set registry paths
            if (cboCreationType.Items[2].Selected) // explorer bar //button for an explorer bar
                iee.TypeOfDetail = IEEenums.DetailType.explorerbar;
            else
            {
                iee.TypeOfDetail = IEEenums.DetailType.executable;
                iee.ApplicationPath = txtApplication.PostedFile.FileName;
            }
            //set the registry paths
            if (optLocalMachine.Checked)
                iee.BaseRegistryKey = Registry.LocalMachine;
            else
                iee.BaseRegistryKey = Registry.CurrentUser;

            iee.ButtonText = txtButtonText.Text;
            iee.HotIcon = txtHotIcon.PostedFile.FileName;
            iee.Icon = txtIcon.PostedFile.FileName;
            // call the registry creation function for a button
            iee.CreateRegistryEntry_Button();
        }
        if (cboCreationType.Items[1].Selected) //menu
        {
            iee.TypeOfDetail = IEEenums.DetailType.executable;
            //set the registry paths
            if (optLocalMachine.Checked)
                iee.BaseRegistryKey = Registry.LocalMachine;
            else
                iee.BaseRegistryKey = Registry.CurrentUser;
            if (optHelp.Checked)
                iee.MenuItem = IEEenums.MenuItem.help;
            else
            {
                // don't need to set to tools as this is the default
            }
                iee.MenuText = txtMenuText.Text;
            iee.ApplicationPath = txtApplication.PostedFile.FileName;
            // call the registry creation function for a menu item
            iee.CreateRegistryEntry_MenuItem();
        }


    }
}