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Implementing WS-SecureConversation in Microsoft IssueVision

, 27 Sep 2005
Adding secure communications to the Microsoft IssueVision sample application using WSE 2.0.
issuevisionwsesmartclient.zip
Database
IssueVision
Controls
Outlook
Images
statusbar
toolbar
types
Libraries
ThreadHelper Documentation
Panes
Patterns
Web References
localhost
IssueVisionWebWseCS
Libraries
App.ico
IssueVision.csproj.user
IssueVision.snk
IssueVisionServices.disco
IssueVisionServices.wsdl
Reference.map
AppUpdater.dll
ThreadHelper.dll
About BackgroundWorker.doc
Async Windows Forms Programming with BackgroundWorker.doc
IssueVision-about-banner.png
mosaic-light.png
Signin.png
all_staffers.png
all_types.png
computer.png
environmental.png
help_desk.png
network.png
none.png
printer.png
staff.png
technicians.png
technicians_group.png
telecom.png
new_task.png
synchronize.png
work_offline.png
StatusConnected.ico
StatusDisconnected.ico
StatusSynchronizing.ico
IssueVisionWebWseCS.csproj.webinfo
IVDataSet.xsx
using System;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Resources;
using System.Windows.Forms;

namespace IssueVision
{
	public class IssueEditForm : Form, IObserver
	{
		private Panel Panel2;
		private PaneCaption PaneCaption2;
		private Button btnCancel;
		private Button btnSave;
		private Label Label10;
		private ComboBox cmbAssignedTo;
		private Panel Panel9;
		private RadioButton rbActive;
		private RadioButton rbClosed;
		private Panel Panel10;
		private TextBox txtComment;
		private Panel Panel11;
		private Panel Panel1;
		private Panel Panel3;
		private HistoryList listHistory;
		private IssueSubject m_subject;
		private PaneCaption PaneCaption1;
		private PaneCaption PaneCaption3;
		private EllipsisLabel labelTitle;
		private EllipsisLabel labelDescription;

		public DataRowView m_datarowview = null;
		public int m_issueID = 0;
		private bool m_originalOpenState = false;
		private string m_originalAssignedTo = string.Empty;

		private IContainer components = null;

		public ISubject Subject
		{
			set
			{
				m_subject = (IssueSubject)value;
			}
		}

		#region Windows Form Designer generated code
		public IssueEditForm()
		{
			InitializeComponent();			
		}

		public IssueEditForm(Form ownerForm) : this()
		{
			Owner = ownerForm;
		}

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

		[DebuggerStepThroughAttribute()]
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(IssueEditForm));
			this.Panel1 = new System.Windows.Forms.Panel();
			this.Panel11 = new System.Windows.Forms.Panel();
			this.txtComment = new System.Windows.Forms.TextBox();
			this.Panel10 = new System.Windows.Forms.Panel();
			this.rbClosed = new System.Windows.Forms.RadioButton();
			this.rbActive = new System.Windows.Forms.RadioButton();
			this.Panel9 = new System.Windows.Forms.Panel();
			this.cmbAssignedTo = new System.Windows.Forms.ComboBox();
			this.Label10 = new System.Windows.Forms.Label();
			this.btnSave = new System.Windows.Forms.Button();
			this.btnCancel = new System.Windows.Forms.Button();
			this.PaneCaption2 = new IssueVision.PaneCaption();
			this.Panel2 = new System.Windows.Forms.Panel();
			this.labelDescription = new IssueVision.EllipsisLabel();
			this.labelTitle = new IssueVision.EllipsisLabel();
			this.PaneCaption1 = new IssueVision.PaneCaption();
			this.Panel3 = new System.Windows.Forms.Panel();
			this.listHistory = new IssueVision.HistoryList();
			this.PaneCaption3 = new IssueVision.PaneCaption();
			this.Panel1.SuspendLayout();
			this.Panel11.SuspendLayout();
			this.Panel10.SuspendLayout();
			this.Panel9.SuspendLayout();
			this.Panel2.SuspendLayout();
			this.Panel3.SuspendLayout();
			this.SuspendLayout();
			// 
			// Panel1
			// 
			this.Panel1.Controls.Add(this.Panel11);
			this.Panel1.Controls.Add(this.Panel10);
			this.Panel1.Controls.Add(this.Panel9);
			this.Panel1.Location = new System.Drawing.Point(8, 86);
			this.Panel1.Name = "Panel1";
			this.Panel1.Size = new System.Drawing.Size(256, 260);
			this.Panel1.TabIndex = 6;
			// 
			// Panel11
			// 
			this.Panel11.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(222)), ((System.Byte)(231)), ((System.Byte)(255)));
			this.Panel11.Controls.Add(this.txtComment);
			this.Panel11.Dock = System.Windows.Forms.DockStyle.Fill;
			this.Panel11.DockPadding.Left = 8;
			this.Panel11.DockPadding.Right = 8;
			this.Panel11.Location = new System.Drawing.Point(0, 40);
			this.Panel11.Name = "Panel11";
			this.Panel11.Size = new System.Drawing.Size(256, 164);
			this.Panel11.TabIndex = 18;
			// 
			// txtComment
			// 
			this.txtComment.Dock = System.Windows.Forms.DockStyle.Fill;
			this.txtComment.Location = new System.Drawing.Point(8, 0);
			this.txtComment.Multiline = true;
			this.txtComment.Name = "txtComment";
			this.txtComment.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
			this.txtComment.Size = new System.Drawing.Size(240, 164);
			this.txtComment.TabIndex = 0;
			this.txtComment.Text = "";
			// 
			// Panel10
			// 
			this.Panel10.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(222)), ((System.Byte)(231)), ((System.Byte)(255)));
			this.Panel10.Controls.Add(this.rbClosed);
			this.Panel10.Controls.Add(this.rbActive);
			this.Panel10.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.Panel10.Location = new System.Drawing.Point(0, 204);
			this.Panel10.Name = "Panel10";
			this.Panel10.Size = new System.Drawing.Size(256, 56);
			this.Panel10.TabIndex = 17;
			// 
			// rbClosed
			// 
			this.rbClosed.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.rbClosed.Location = new System.Drawing.Point(24, 32);
			this.rbClosed.Name = "rbClosed";
			this.rbClosed.Size = new System.Drawing.Size(104, 20);
			this.rbClosed.TabIndex = 1;
			this.rbClosed.Text = "Closed";
			// 
			// rbActive
			// 
			this.rbActive.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.rbActive.Location = new System.Drawing.Point(24, 8);
			this.rbActive.Name = "rbActive";
			this.rbActive.TabIndex = 0;
			this.rbActive.Text = "Open";
			// 
			// Panel9
			// 
			this.Panel9.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(222)), ((System.Byte)(231)), ((System.Byte)(255)));
			this.Panel9.Controls.Add(this.cmbAssignedTo);
			this.Panel9.Controls.Add(this.Label10);
			this.Panel9.Dock = System.Windows.Forms.DockStyle.Top;
			this.Panel9.Location = new System.Drawing.Point(0, 0);
			this.Panel9.Name = "Panel9";
			this.Panel9.Size = new System.Drawing.Size(256, 40);
			this.Panel9.TabIndex = 16;
			// 
			// cmbAssignedTo
			// 
			this.cmbAssignedTo.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.cmbAssignedTo.Location = new System.Drawing.Point(80, 8);
			this.cmbAssignedTo.Name = "cmbAssignedTo";
			this.cmbAssignedTo.Size = new System.Drawing.Size(160, 21);
			this.cmbAssignedTo.TabIndex = 14;
			// 
			// Label10
			// 
			this.Label10.Location = new System.Drawing.Point(8, 12);
			this.Label10.Name = "Label10";
			this.Label10.Size = new System.Drawing.Size(72, 16);
			this.Label10.TabIndex = 13;
			this.Label10.Text = "Assigned To:";
			// 
			// btnSave
			// 
			this.btnSave.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(222)), ((System.Byte)(231)), ((System.Byte)(255)));
			this.btnSave.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.btnSave.Location = new System.Drawing.Point(104, 352);
			this.btnSave.Name = "btnSave";
			this.btnSave.TabIndex = 2;
			this.btnSave.Text = "Save";
			this.btnSave.Click += new System.EventHandler(this.btnSave_Click);
			// 
			// btnCancel
			// 
			this.btnCancel.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(222)), ((System.Byte)(231)), ((System.Byte)(255)));
			this.btnCancel.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.btnCancel.Location = new System.Drawing.Point(184, 352);
			this.btnCancel.Name = "btnCancel";
			this.btnCancel.TabIndex = 3;
			this.btnCancel.Text = "Cancel";
			this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
			// 
			// PaneCaption2
			// 
			this.PaneCaption2.AllowActive = false;
			this.PaneCaption2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.PaneCaption2.AntiAlias = false;
			this.PaneCaption2.Caption = "Issue Comment";
			this.PaneCaption2.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.PaneCaption2.ForeColor = System.Drawing.SystemColors.AppWorkspace;
			this.PaneCaption2.InactiveGradientHighColor = System.Drawing.Color.FromArgb(((System.Byte)(175)), ((System.Byte)(200)), ((System.Byte)(245)));
			this.PaneCaption2.InactiveGradientLowColor = System.Drawing.Color.FromArgb(((System.Byte)(205)), ((System.Byte)(225)), ((System.Byte)(250)));
			this.PaneCaption2.InactiveTextColor = System.Drawing.Color.Black;
			this.PaneCaption2.Location = new System.Drawing.Point(8, 64);
			this.PaneCaption2.Name = "PaneCaption2";
			this.PaneCaption2.Size = new System.Drawing.Size(256, 22);
			this.PaneCaption2.TabIndex = 10;
			// 
			// Panel2
			// 
			this.Panel2.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("Panel2.BackgroundImage")));
			this.Panel2.Controls.Add(this.labelDescription);
			this.Panel2.Controls.Add(this.labelTitle);
			this.Panel2.Dock = System.Windows.Forms.DockStyle.Top;
			this.Panel2.DockPadding.All = 5;
			this.Panel2.Location = new System.Drawing.Point(0, 0);
			this.Panel2.Name = "Panel2";
			this.Panel2.Size = new System.Drawing.Size(562, 56);
			this.Panel2.TabIndex = 11;
			this.Panel2.Paint += new System.Windows.Forms.PaintEventHandler(this.Panel2_Paint);
			// 
			// labelDescription
			// 
			this.labelDescription.Alignment = System.Drawing.ContentAlignment.TopLeft;
			this.labelDescription.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.labelDescription.BackColor = System.Drawing.Color.Transparent;
			this.labelDescription.Ellipsis = System.Drawing.StringTrimming.EllipsisCharacter;
			this.labelDescription.Location = new System.Drawing.Point(8, 32);
			this.labelDescription.Name = "labelDescription";
			this.labelDescription.Size = new System.Drawing.Size(552, 16);
			this.labelDescription.TabIndex = 20;
			this.labelDescription.Text = "< description >";
			// 
			// labelTitle
			// 
			this.labelTitle.Alignment = System.Drawing.ContentAlignment.TopLeft;
			this.labelTitle.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.labelTitle.BackColor = System.Drawing.Color.Transparent;
			this.labelTitle.Ellipsis = System.Drawing.StringTrimming.EllipsisCharacter;
			this.labelTitle.Font = new System.Drawing.Font("Tahoma", 11.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.labelTitle.Location = new System.Drawing.Point(8, 8);
			this.labelTitle.Name = "labelTitle";
			this.labelTitle.Size = new System.Drawing.Size(552, 23);
			this.labelTitle.TabIndex = 19;
			this.labelTitle.Text = "< title >";
			// 
			// PaneCaption1
			// 
			this.PaneCaption1.AllowActive = false;
			this.PaneCaption1.AntiAlias = false;
			this.PaneCaption1.Dock = System.Windows.Forms.DockStyle.Fill;
			this.PaneCaption1.Font = new System.Drawing.Font("Tahoma", 12F, System.Drawing.FontStyle.Bold);
			this.PaneCaption1.InactiveGradientHighColor = System.Drawing.Color.FromArgb(((System.Byte)(222)), ((System.Byte)(231)), ((System.Byte)(255)));
			this.PaneCaption1.InactiveGradientLowColor = System.Drawing.Color.FromArgb(((System.Byte)(165)), ((System.Byte)(199)), ((System.Byte)(255)));
			this.PaneCaption1.Location = new System.Drawing.Point(0, 0);
			this.PaneCaption1.Name = "PaneCaption1";
			this.PaneCaption1.Size = new System.Drawing.Size(562, 384);
			this.PaneCaption1.TabIndex = 12;
			// 
			// Panel3
			// 
			this.Panel3.Controls.Add(this.listHistory);
			this.Panel3.Controls.Add(this.PaneCaption3);
			this.Panel3.Location = new System.Drawing.Point(280, 64);
			this.Panel3.Name = "Panel3";
			this.Panel3.Size = new System.Drawing.Size(272, 286);
			this.Panel3.TabIndex = 13;
			// 
			// listHistory
			// 
			this.listHistory.Dock = System.Windows.Forms.DockStyle.Fill;
			this.listHistory.DrawMode = System.Windows.Forms.DrawMode.OwnerDrawVariable;
			this.listHistory.Location = new System.Drawing.Point(0, 22);
			this.listHistory.Name = "listHistory";
			this.listHistory.Size = new System.Drawing.Size(272, 264);
			this.listHistory.TabIndex = 10;
			// 
			// PaneCaption3
			// 
			this.PaneCaption3.AllowActive = false;
			this.PaneCaption3.AntiAlias = false;
			this.PaneCaption3.Caption = "History";
			this.PaneCaption3.Dock = System.Windows.Forms.DockStyle.Top;
			this.PaneCaption3.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.PaneCaption3.ForeColor = System.Drawing.SystemColors.AppWorkspace;
			this.PaneCaption3.InactiveGradientHighColor = System.Drawing.Color.FromArgb(((System.Byte)(175)), ((System.Byte)(200)), ((System.Byte)(245)));
			this.PaneCaption3.InactiveGradientLowColor = System.Drawing.Color.FromArgb(((System.Byte)(205)), ((System.Byte)(225)), ((System.Byte)(250)));
			this.PaneCaption3.InactiveTextColor = System.Drawing.Color.Black;
			this.PaneCaption3.Location = new System.Drawing.Point(0, 0);
			this.PaneCaption3.Name = "PaneCaption3";
			this.PaneCaption3.Size = new System.Drawing.Size(272, 22);
			this.PaneCaption3.TabIndex = 11;
			// 
			// IssueEditForm
			// 
			this.AllowDrop = true;
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(562, 384);
			this.Controls.Add(this.Panel3);
			this.Controls.Add(this.Panel2);
			this.Controls.Add(this.PaneCaption2);
			this.Controls.Add(this.Panel1);
			this.Controls.Add(this.btnSave);
			this.Controls.Add(this.btnCancel);
			this.Controls.Add(this.PaneCaption1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.MaximizeBox = false;
			this.Name = "IssueEditForm";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "Edit Issue";
			this.Load += new System.EventHandler(this.IssueEditForm_Load);
			this.Panel1.ResumeLayout(false);
			this.Panel11.ResumeLayout(false);
			this.Panel10.ResumeLayout(false);
			this.Panel9.ResumeLayout(false);
			this.Panel2.ResumeLayout(false);
			this.Panel3.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		private void IssueEditForm_Load(object sender, EventArgs e)
		{
			CenterWindow();
			
			//initialize the form's data from Subject.CurrentItem
			DataRowView row = m_subject.CurrentItem;
			
			m_issueID = (int)row["IssueID"];
			labelTitle.Text = (string)row["Title"];
			Text = labelTitle.Text;
			labelDescription.Text = (string)row["Description"];
			
			cmbAssignedTo.DataSource = m_subject.Staffers;
			cmbAssignedTo.DisplayMember = "DisplayName";
			cmbAssignedTo.ValueMember = "StafferID";
			m_originalAssignedTo = (string)row["DisplayName"];
			
			cmbAssignedTo.SelectedValue = (int)row["StafferID"];
			txtComment.Text = string.Empty;
			
			m_originalOpenState = (bool)row["IsOpen"];
			if (m_originalOpenState)
			{
				rbActive.Checked = true;
			}
			else
			{
				rbClosed.Checked = true;
			}
			
			listHistory.DataSource = row.Row.GetChildRows("History");
		}

		private void btnSave_Click(object sender, EventArgs e)
		{
			//Inject comment if issue status (open/closed) is changed
			if (rbActive.Checked != m_originalOpenState)
			{
				if (rbActive.Checked)
				{
					PrependToComment("Status changed to Opened.");
				}
				else
				{
					PrependToComment("Status changed to Closed.");
				}
			}
			
			//Inject comment if Assigned To is changed
			if (cmbAssignedTo.Text != m_originalAssignedTo)
			{
				PrependToComment("Reassigned from " + m_originalAssignedTo + " to " + cmbAssignedTo.Text + ".");
			}
			
			//update issue
			m_subject.UpdateIssue(m_issueID, (int)cmbAssignedTo.SelectedValue, cmbAssignedTo.Text, txtComment.Text, rbActive.Checked);
			Close();
		}

		private void PrependToComment(string comment)
		{
			string commentTxt = string.Empty;

			if (txtComment.Text != string.Empty)
			{
				commentTxt = " " + txtComment.Text;
			}
			
			txtComment.Text = comment + commentTxt;
		}

		private void btnCancel_Click(object sender, EventArgs e)
		{
			Close();
		}

		private void CenterWindow()
		{
			if (Owner != null)
			{
				Location = new Point(Owner.Location.X + (Owner.Width - Width) / 2, Owner.Location.Y + (Owner.Height - Height) / 2);
			}
		}

		private void Panel2_Paint(object sender, PaintEventArgs e)
		{
			e.Graphics.DrawLine(new Pen(SystemColors.InactiveCaption), 0, Panel2.Height - 1, Panel2.Width - 1, Panel2.Height - 1);
		}
	}
}

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About the Author

Weidong Shen
Software Developer (Senior)
United States United States
Weidong has been an information system professional since 1990. He has a Master's degree in Computer Science, and is currently a MCSD .NET

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Web04 | 2.8.140821.2 | Last Updated 27 Sep 2005
Article Copyright 2005 by Weidong Shen
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