Implementing WS-SecureConversation in Microsoft IssueVision

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Drawing;
using System.Windows.Forms;
using System.ComponentModel;

namespace IssueVision
{
	public class MainForm : System.Windows.Forms.Form
	{
		[STAThread]
		static void Main() 
		{
			Application.EnableVisualStyles();
			Application.DoEvents();
			Application.Run(new MainForm());
		}
		
		#region Windows Form Designer generated code
		public MainForm() 
		{
			InitializeComponent();
		}

		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		private System.ComponentModel.IContainer components;

		//NOTE: The following procedure is required by the Windows Form Designer
		//It can be modified using the Windows Form Designer.  
		//do { not modify it using the code editor.
		private System.Windows.Forms.ToolBar tlbMain;
		private System.Windows.Forms.ToolBarButton tlbNewIssue;
		private System.Windows.Forms.StatusBarPanel sbpItemCount;
		private System.Windows.Forms.StatusBar stbMain;
		private System.Windows.Forms.ToolBarButton tlbOffline;
		private System.Windows.Forms.ImageList imagesToolbar;
		private System.Windows.Forms.ImageList imagesOnline;
		private System.Windows.Forms.Splitter splitterLeft;
		private System.Windows.Forms.Panel panelRight;
		private System.Windows.Forms.MenuItem menuFile;
		private System.Windows.Forms.MenuItem menuNew;
		private System.Windows.Forms.MenuItem menuExit;
		private System.Windows.Forms.MenuItem menuHelp;
		private System.Windows.Forms.MenuItem menuAbout;
		private System.Windows.Forms.MainMenu menuMain;
		private System.Windows.Forms.ToolBarButton tlbSendReceive;
		private System.Windows.Forms.MenuItem menuSendReceive;
		private System.Windows.Forms.Splitter Splitter1;
		private IssueVision.MiddlePane paneMiddle;
		private System.Windows.Forms.MenuItem MenuItem2;
		private IssueVision.OneIssuePane paneRight;
		private System.Windows.Forms.Panel panelLeft;
		private IssueVision.ChartPane paneChart;
		private IssueVision.StaffPane paneStaff;
		private IssueVision.ConflictPane paneConflict;
		private System.Windows.Forms.StatusBarPanel sbpIcon;
		private System.Windows.Forms.StatusBarPanel sbpOnline;
		private System.Windows.Forms.MenuItem mnuLogoutExit;

		[System.Diagnostics.DebuggerStepThrough()]
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(MainForm));
			this.stbMain = new System.Windows.Forms.StatusBar();
			this.sbpItemCount = new System.Windows.Forms.StatusBarPanel();
			this.sbpOnline = new System.Windows.Forms.StatusBarPanel();
			this.sbpIcon = new System.Windows.Forms.StatusBarPanel();
			this.tlbMain = new System.Windows.Forms.ToolBar();
			this.tlbNewIssue = new System.Windows.Forms.ToolBarButton();
			this.tlbSendReceive = new System.Windows.Forms.ToolBarButton();
			this.tlbOffline = new System.Windows.Forms.ToolBarButton();
			this.imagesToolbar = new System.Windows.Forms.ImageList(this.components);
			this.splitterLeft = new System.Windows.Forms.Splitter();
			this.panelRight = new System.Windows.Forms.Panel();
			this.paneConflict = new IssueVision.ConflictPane();
			this.paneRight = new IssueVision.OneIssuePane();
			this.Splitter1 = new System.Windows.Forms.Splitter();
			this.paneMiddle = new IssueVision.MiddlePane();
			this.menuMain = new System.Windows.Forms.MainMenu();
			this.menuFile = new System.Windows.Forms.MenuItem();
			this.menuNew = new System.Windows.Forms.MenuItem();
			this.menuSendReceive = new System.Windows.Forms.MenuItem();
			this.MenuItem2 = new System.Windows.Forms.MenuItem();
			this.mnuLogoutExit = new System.Windows.Forms.MenuItem();
			this.menuExit = new System.Windows.Forms.MenuItem();
			this.menuHelp = new System.Windows.Forms.MenuItem();
			this.menuAbout = new System.Windows.Forms.MenuItem();
			this.imagesOnline = new System.Windows.Forms.ImageList(this.components);
			this.panelLeft = new System.Windows.Forms.Panel();
			this.paneStaff = new IssueVision.StaffPane();
			this.paneChart = new IssueVision.ChartPane();
			((System.ComponentModel.ISupportInitialize)(this.sbpItemCount)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.sbpOnline)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.sbpIcon)).BeginInit();
			this.panelRight.SuspendLayout();
			this.panelLeft.SuspendLayout();
			this.SuspendLayout();
			// 
			// stbMain
			// 
			this.stbMain.Location = new System.Drawing.Point(0, 503);
			this.stbMain.Name = "stbMain";
			this.stbMain.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {
																					   this.sbpItemCount,
																					   this.sbpOnline,
																					   this.sbpIcon});
			this.stbMain.ShowPanels = true;
			this.stbMain.Size = new System.Drawing.Size(824, 22);
			this.stbMain.TabIndex = 0;
			// 
			// sbpItemCount
			// 
			this.sbpItemCount.BorderStyle = System.Windows.Forms.StatusBarPanelBorderStyle.None;
			this.sbpItemCount.MinWidth = 40;
			this.sbpItemCount.Text = "0 Items";
			this.sbpItemCount.Width = 80;
			// 
			// sbpOnline
			// 
			this.sbpOnline.Alignment = System.Windows.Forms.HorizontalAlignment.Right;
			this.sbpOnline.AutoSize = System.Windows.Forms.StatusBarPanelAutoSize.Spring;
			this.sbpOnline.BorderStyle = System.Windows.Forms.StatusBarPanelBorderStyle.None;
			this.sbpOnline.MinWidth = 100;
			this.sbpOnline.Width = 706;
			// 
			// sbpIcon
			// 
			this.sbpIcon.BorderStyle = System.Windows.Forms.StatusBarPanelBorderStyle.None;
			this.sbpIcon.MinWidth = 22;
			this.sbpIcon.Width = 22;
			// 
			// tlbMain
			// 
			this.tlbMain.Appearance = System.Windows.Forms.ToolBarAppearance.Flat;
			this.tlbMain.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
																					   this.tlbNewIssue,
																					   this.tlbSendReceive,
																					   this.tlbOffline});
			this.tlbMain.DropDownArrows = true;
			this.tlbMain.ImageList = this.imagesToolbar;
			this.tlbMain.Location = new System.Drawing.Point(0, 0);
			this.tlbMain.Name = "tlbMain";
			this.tlbMain.ShowToolTips = true;
			this.tlbMain.Size = new System.Drawing.Size(824, 41);
			this.tlbMain.TabIndex = 1;
			this.tlbMain.TextAlign = System.Windows.Forms.ToolBarTextAlign.Right;
			// 
			// tlbNewIssue
			// 
			this.tlbNewIssue.ImageIndex = 0;
			this.tlbNewIssue.Text = "New";
			this.tlbNewIssue.ToolTipText = "Create a new issue";
			// 
			// tlbSendReceive
			// 
			this.tlbSendReceive.ImageIndex = 1;
			this.tlbSendReceive.Text = "Send/Receive";
			this.tlbSendReceive.ToolTipText = "Send/Receive issues";
			// 
			// tlbOffline
			// 
			this.tlbOffline.ImageIndex = 2;
			this.tlbOffline.Style = System.Windows.Forms.ToolBarButtonStyle.ToggleButton;
			this.tlbOffline.Text = "Work Offline";
			this.tlbOffline.ToolTipText = "Work offline";
			// 
			// imagesToolbar
			// 
			this.imagesToolbar.ColorDepth = System.Windows.Forms.ColorDepth.Depth32Bit;
			this.imagesToolbar.ImageSize = new System.Drawing.Size(29, 29);
			this.imagesToolbar.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imagesToolbar.ImageStream")));
			this.imagesToolbar.TransparentColor = System.Drawing.Color.Lime;
			// 
			// splitterLeft
			// 
			this.splitterLeft.Location = new System.Drawing.Point(208, 41);
			this.splitterLeft.MinSize = 200;
			this.splitterLeft.Name = "splitterLeft";
			this.splitterLeft.Size = new System.Drawing.Size(5, 462);
			this.splitterLeft.TabIndex = 14;
			this.splitterLeft.TabStop = false;
			// 
			// panelRight
			// 
			this.panelRight.AutoScroll = true;
			this.panelRight.BackColor = System.Drawing.Color.White;
			this.panelRight.Controls.Add(this.paneConflict);
			this.panelRight.Controls.Add(this.paneRight);
			this.panelRight.Controls.Add(this.Splitter1);
			this.panelRight.Controls.Add(this.paneMiddle);
			this.panelRight.Dock = System.Windows.Forms.DockStyle.Fill;
			this.panelRight.Location = new System.Drawing.Point(213, 41);
			this.panelRight.Name = "panelRight";
			this.panelRight.Size = new System.Drawing.Size(611, 462);
			this.panelRight.TabIndex = 15;
			// 
			// paneConflict
			// 
			this.paneConflict.BackColor = System.Drawing.Color.White;
			this.paneConflict.Dock = System.Windows.Forms.DockStyle.Fill;
			this.paneConflict.DockPadding.All = 1;
			this.paneConflict.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.paneConflict.Location = new System.Drawing.Point(333, 0);
			this.paneConflict.Name = "paneConflict";
			this.paneConflict.Size = new System.Drawing.Size(278, 462);
			this.paneConflict.TabIndex = 2;
			this.paneConflict.Visible = false;
			// 
			// paneRight
			// 
			this.paneRight.BackColor = System.Drawing.Color.White;
			this.paneRight.Dock = System.Windows.Forms.DockStyle.Fill;
			this.paneRight.DockPadding.All = 1;
			this.paneRight.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.paneRight.Location = new System.Drawing.Point(333, 0);
			this.paneRight.Name = "paneRight";
			this.paneRight.Size = new System.Drawing.Size(278, 462);
			this.paneRight.TabIndex = 2;
			// 
			// Splitter1
			// 
			this.Splitter1.BackColor = System.Drawing.SystemColors.Control;
			this.Splitter1.Location = new System.Drawing.Point(328, 0);
			this.Splitter1.Name = "Splitter1";
			this.Splitter1.Size = new System.Drawing.Size(5, 462);
			this.Splitter1.TabIndex = 1;
			this.Splitter1.TabStop = false;
			// 
			// paneMiddle
			// 
			this.paneMiddle.AutoScroll = true;
			this.paneMiddle.BackColor = System.Drawing.SystemColors.Window;
			this.paneMiddle.Dock = System.Windows.Forms.DockStyle.Left;
			this.paneMiddle.DockPadding.All = 1;
			this.paneMiddle.Location = new System.Drawing.Point(0, 0);
			this.paneMiddle.Name = "paneMiddle";
			this.paneMiddle.Size = new System.Drawing.Size(328, 462);
			this.paneMiddle.TabIndex = 0;
			// 
			// menuMain
			// 
			this.menuMain.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.menuFile,
																					 this.menuHelp});
			// 
			// menuFile
			// 
			this.menuFile.Index = 0;
			this.menuFile.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.menuNew,
																					 this.menuSendReceive,
																					 this.MenuItem2,
																					 this.mnuLogoutExit,
																					 this.menuExit});
			this.menuFile.Text = "&File";
			// 
			// menuNew
			// 
			this.menuNew.Index = 0;
			this.menuNew.Shortcut = System.Windows.Forms.Shortcut.CtrlN;
			this.menuNew.Text = "&New";
			// 
			// menuSendReceive
			// 
			this.menuSendReceive.Index = 1;
			this.menuSendReceive.Shortcut = System.Windows.Forms.Shortcut.CtrlS;
			this.menuSendReceive.Text = "&Send/Receive";
			// 
			// MenuItem2
			// 
			this.MenuItem2.Index = 2;
			this.MenuItem2.Text = "-";
			// 
			// mnuLogoutExit
			// 
			this.mnuLogoutExit.Index = 3;
			this.mnuLogoutExit.Text = "&Logout and Exit";
			// 
			// menuExit
			// 
			this.menuExit.Index = 4;
			this.menuExit.Text = "E&xit";
			// 
			// menuHelp
			// 
			this.menuHelp.Index = 1;
			this.menuHelp.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.menuAbout});
			this.menuHelp.Text = "&Help";
			// 
			// menuAbout
			// 
			this.menuAbout.Index = 0;
			this.menuAbout.Text = "&About";
			// 
			// imagesOnline
			// 
			this.imagesOnline.ImageSize = new System.Drawing.Size(16, 16);
			this.imagesOnline.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imagesOnline.ImageStream")));
			this.imagesOnline.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// panelLeft
			// 
			this.panelLeft.BackColor = System.Drawing.SystemColors.Window;
			this.panelLeft.Controls.Add(this.paneStaff);
			this.panelLeft.Controls.Add(this.paneChart);
			this.panelLeft.Dock = System.Windows.Forms.DockStyle.Left;
			this.panelLeft.Location = new System.Drawing.Point(0, 41);
			this.panelLeft.Name = "panelLeft";
			this.panelLeft.Size = new System.Drawing.Size(208, 462);
			this.panelLeft.TabIndex = 13;
			// 
			// paneStaff
			// 
			this.paneStaff.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.paneStaff.BackColor = System.Drawing.SystemColors.Window;
			this.paneStaff.DockPadding.All = 1;
			this.paneStaff.Location = new System.Drawing.Point(0, 0);
			this.paneStaff.Name = "paneStaff";
			this.paneStaff.Size = new System.Drawing.Size(208, 296);
			this.paneStaff.TabIndex = 2;
			// 
			// paneChart
			// 
			this.paneChart.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.paneChart.BackColor = System.Drawing.SystemColors.Window;
			this.paneChart.Location = new System.Drawing.Point(0, 300);
			this.paneChart.Name = "paneChart";
			this.paneChart.Size = new System.Drawing.Size(208, 160);
			this.paneChart.TabIndex = 1;
			// 
			// MainForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(824, 525);
			this.Controls.Add(this.panelRight);
			this.Controls.Add(this.splitterLeft);
			this.Controls.Add(this.panelLeft);
			this.Controls.Add(this.tlbMain);
			this.Controls.Add(this.stbMain);
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.Menu = this.menuMain;
			this.MinimumSize = new System.Drawing.Size(800, 559);
			this.Name = "MainForm";
			this.Text = "IssueVision";
			this.Closing += new System.ComponentModel.CancelEventHandler(this.MainForm_Closing);
			this.Load += new System.EventHandler(this.MainForm_Load);
			((System.ComponentModel.ISupportInitialize)(this.sbpItemCount)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.sbpOnline)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.sbpIcon)).EndInit();
			this.panelRight.ResumeLayout(false);
			this.panelLeft.ResumeLayout(false);
			this.ResumeLayout(false);

		}

	#endregion

		// Internal members
		private IssueSubject m_issueSubject = null;
		private Command m_workOfflineCommand = null;
		private Command m_sendReceiveCommand = null;
		private Command m_newIssueCommand = null;
		private Command m_logoutExitCommand = null;
		private Command m_exitCommand = null;
		private Command m_aboutCommand = null;
		private bool m_saveUserSettings = true;

	#region StatusIcon enum

		// Holds icons that are displayed in the statusbar
		private Icon[] m_statusIcons = new Icon[3];

		// Maps to the icons in the image list
		private enum StatusIcon : int
		{
			Offline = 0,
			Online = 1,
			Sync = 2
		}

	#endregion

	#region Application Initialization

		private void MainForm_Load(object sender,  System.EventArgs e)
		{
			this.Visible = false;
			this.Cursor = Cursors.WaitCursor;
	        
			// Configure MainForm UI
			ResizeRedraw = true;
	        
			// get the user's credentials
			Login();
			
			if (UserSettings.Instance != null ) 
			{
				this.Visible = true;
				this.Show();
				this.Refresh();
				tlbMain.Buttons[2].Pushed = UserSettings.Instance.WorkOffline;
				
				// Load icon resources that are displayed in the statusbar
				LoadStatusIcons();
				
				// Setup the Command pattern
				InitializeCommands();
				
				// Finally, initialize the Subject
				ConfigureSubject();
			} 
			else 
			{
				Application.Exit();
			}        

			this.Cursor = Cursors.Default;
		}

		private void InitializeCommands() 
		{
			// Wire up menus and toolbar buttons
			//Command pattern: File | Send & Receive
			m_sendReceiveCommand = new Command(new Command.Action(this.SendReceive_Action));
			MenuItemCommander.Connect(menuSendReceive, m_sendReceiveCommand);
			ToolBarButtonCommander.Connect(tlbSendReceive, m_sendReceiveCommand);

			// Toolbar | Work Offline
			m_workOfflineCommand = new Command(new Command.Action(this.WorkOffline_Action));
			ToolBarButtonCommander.Connect(tlbOffline, m_workOfflineCommand);

			// File | new
			m_newIssueCommand = new Command(new Command.Action(this.NewIssue_Action));
			MenuItemCommander.Connect(this.menuNew, m_newIssueCommand);
			ToolBarButtonCommander.Connect(this.tlbNewIssue, m_newIssueCommand);

			// File | Logout and Exit
			m_logoutExitCommand = new Command(new Command.Action(this.LogoutExit_Action));
			MenuItemCommander.Connect(this.mnuLogoutExit, m_logoutExitCommand);

			// File | Exit
			m_exitCommand = new Command(new Command.Action(this.Exit_Action));
			MenuItemCommander.Connect(this.menuExit, m_exitCommand);

			// Help | About
			m_aboutCommand = new Command(new Command.Action(this.About_Action));
			MenuItemCommander.Connect(this.menuAbout, m_aboutCommand);
		}	

		private void Login() 
		{
			// do we have an existing, valid settings file in AppData?
			if (UserSettings.Instance != null ) 
			{
				if ( UserSettings.Instance.WorkOffline ) 
				{
					// login successful, show mainform
					return;
				} 
				else 
				{
					ShowLoginForm();
				}			
			} 
			else 
			{
				UserSettings.Delete();
				ShowLoginForm();
			}
		}	

		private void ShowLoginForm() 
		{
			LoginForm login = new LoginForm();
			login.Visible = false;
			login.ShowDialog();
			login.Close();
		}

		private void ConfigureSubject() 
		{
			if (m_issueSubject != null) 
			{
				m_issueSubject.SaveIssueData();
			}

			m_issueSubject = new IssueSubject(this.components);

			paneStaff.Subject = m_issueSubject;
			paneMiddle.Subject = m_issueSubject;
			paneRight.Subject = m_issueSubject;
			paneChart.Subject = m_issueSubject;
			paneConflict.Subject = m_issueSubject;

			m_issueSubject.Parent = this;
			m_issueSubject.Synchronization_Started += new IssueSubject.Synchronization_StartedEventHandler(IssueSubject_Synchronization_Started);
			m_issueSubject.Synchronization_Finished += new IssueSubject.Synchronization_FinishedEventHandler(IssueSubject_Synchronization_Finished);
			m_issueSubject.IssueDataChanged += new IssueSubject.IssueDataChangedEventHandler(IssueSubject_IssueDataChanged);
			
			m_issueSubject.Initialize();

			UpdateOnlineStatus();

			// If login was successful, set the titlebar
			this.Text = "IssueVision - " + UserSettings.Instance.Username;
		}

	#endregion

	#region Command Actions

		private void SendReceive_Action() 
		{
			this.Cursor = Cursors.WaitCursor;
			this.m_issueSubject.SendReceiveIssueData(SyncThread.MainThread);
			this.Cursor = Cursors.Default;
		}

		private void WorkOffline_Action() 
		{
			UpdateOnlineStatus();
		}

		private void About_Action() 
		{
			// Display the About dialog
			AboutForm form = new AboutForm();

			form.Visible = false;
			form.ShowDialog(this);
		}

		private void NewIssue_Action() 
		{
			// Display the new Issue dialog
			IssueNewForm form = new IssueNewForm(this);
			form.Subject = m_issueSubject;
			form.Show();
		}

		private void LogoutExit_Action() 
		{
			// Delete settings file and exit
			UserSettings.Delete();
			m_saveUserSettings = false;
			this.Close();
		}

		private void Exit_Action() 
		{
			this.Close();
		}

	#endregion

	#region Status Icons

		// Load icons that are displayed in the statusbar
		private void LoadStatusIcons() 
		{
			m_statusIcons[(int)StatusIcon.Offline] = Icon.FromHandle(new Bitmap(imagesOnline.Images[(int)StatusIcon.Offline]).GetHicon());

			m_statusIcons[(int)StatusIcon.Online] = Icon.FromHandle(new Bitmap(imagesOnline.Images[(int)StatusIcon.Online]).GetHicon());

			m_statusIcons[(int)StatusIcon.Sync] = Icon.FromHandle(new Bitmap(imagesOnline.Images[(int)StatusIcon.Sync]).GetHicon());
		}

		// update the online / offline status in the statusbar
		private void UpdateOnlineStatus() 
		{
			UserSettings.Instance.WorkOffline = tlbMain.Buttons[2].Pushed;
			m_issueSubject.IsOnline = !(tlbMain.Buttons[2].Pushed);

			if ( tlbMain.Buttons[2].Pushed ) 
			{
				m_sendReceiveCommand.IsEnabled = true;
				sbpOnline.Text = "Working Offline";
				sbpIcon.Icon = m_statusIcons[(int)StatusIcon.Offline];
			} 
			else 
			{
				// set to online
				m_sendReceiveCommand.IsEnabled = false;
				sbpOnline.Text = "Working Online";
				sbpIcon.Icon = m_statusIcons[(int)StatusIcon.Online];
			}
		}

		// These events are raised by the Subject to permit the main form to show
		// the current status of data synchronization with the server
		private void IssueSubject_Synchronization_Started(object sender, System.EventArgs e)
		{
			sbpOnline.Text = "Sending and Receiving...";
			sbpIcon.Icon = m_statusIcons[(int)StatusIcon.Sync];
		}

		private void IssueSubject_Synchronization_Finished(object sender, System.EventArgs e)
		{
			UpdateOnlineStatus();
		}

		// The IssueDataChanged event is handled by all of the observers, including MainForm
		// to ensure current information is displayed.  In the case of MainForm, the 
		// count of issue for the current view is displayed in the status bar.
		private void IssueSubject_IssueDataChanged(object sender, System.EventArgs e)
		{
			int count = m_issueSubject.CurrentView.Count;

			this.sbpItemCount.Text = count.ToString() + " item";
			if ( count != 1 ) 
			{ 
				sbpItemCount.Text += "s";
			}
		}

	#endregion

	#region Application Shutdown
		private void MainForm_Closing( object sender,  System.ComponentModel.CancelEventArgs e)
		{
			if (m_issueSubject != null ) 
			{
				m_issueSubject.SaveIssueData();
			}
	        
			if (UserSettings.Instance != null && m_saveUserSettings) 
			{
				UserSettings.Instance.Serialize();
			}
		}
	#endregion
	}
}