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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 IssueNewForm : Form, IObserver
	{
		private Label labelTitle;
		private TextBox txtTitle;
		private Label labelAssigned;
		private Label labelIssue;
		private PaneCaption paneBack;
		private Button btnCancel;
		private Panel Panel11;
		private Button btnSave;
		private PaneCaption paneHeader;
		private TextBox txtComment;
		private ComboBox cmbAssignedTo;
		private ComboBox cmbIssueType;

		private IssueSubject m_subject = null;
		private static string m_lastAssignedTo = string.Empty;
		private static string m_lastIssueType = string.Empty;

		private IContainer components = null;

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

		public IssueNewForm()
		{
			InitializeComponent();
		}

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

		#region Windows Form Designer generated code
		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(IssueNewForm));
			this.Panel11 = new System.Windows.Forms.Panel();
			this.txtTitle = new System.Windows.Forms.TextBox();
			this.cmbAssignedTo = new System.Windows.Forms.ComboBox();
			this.cmbIssueType = new System.Windows.Forms.ComboBox();
			this.txtComment = new System.Windows.Forms.TextBox();
			this.labelIssue = new System.Windows.Forms.Label();
			this.labelAssigned = new System.Windows.Forms.Label();
			this.labelTitle = new System.Windows.Forms.Label();
			this.paneHeader = new IssueVision.PaneCaption();
			this.btnSave = new System.Windows.Forms.Button();
			this.btnCancel = new System.Windows.Forms.Button();
			this.paneBack = new IssueVision.PaneCaption();
			this.Panel11.SuspendLayout();
			this.SuspendLayout();
			// 
			// Panel11
			// 
			this.Panel11.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(222)), ((System.Byte)(231)), ((System.Byte)(255)));
			this.Panel11.Controls.Add(this.txtTitle);
			this.Panel11.Controls.Add(this.cmbAssignedTo);
			this.Panel11.Controls.Add(this.cmbIssueType);
			this.Panel11.Controls.Add(this.txtComment);
			this.Panel11.Controls.Add(this.labelIssue);
			this.Panel11.Controls.Add(this.labelAssigned);
			this.Panel11.Controls.Add(this.labelTitle);
			this.Panel11.DockPadding.Left = 8;
			this.Panel11.DockPadding.Right = 8;
			this.Panel11.Location = new System.Drawing.Point(8, 30);
			this.Panel11.Name = "Panel11";
			this.Panel11.Size = new System.Drawing.Size(256, 280);
			this.Panel11.TabIndex = 2;
			// 
			// txtTitle
			// 
			this.txtTitle.Location = new System.Drawing.Point(88, 72);
			this.txtTitle.MaxLength = 100;
			this.txtTitle.Name = "txtTitle";
			this.txtTitle.Size = new System.Drawing.Size(160, 20);
			this.txtTitle.TabIndex = 5;
			this.txtTitle.Text = "";
			this.txtTitle.TextChanged += new System.EventHandler(this.txtTitle_TextChanged);
			// 
			// cmbAssignedTo
			// 
			this.cmbAssignedTo.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.cmbAssignedTo.Location = new System.Drawing.Point(88, 8);
			this.cmbAssignedTo.Name = "cmbAssignedTo";
			this.cmbAssignedTo.Size = new System.Drawing.Size(160, 21);
			this.cmbAssignedTo.TabIndex = 1;
			// 
			// cmbIssueType
			// 
			this.cmbIssueType.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.cmbIssueType.Location = new System.Drawing.Point(88, 40);
			this.cmbIssueType.Name = "cmbIssueType";
			this.cmbIssueType.Size = new System.Drawing.Size(160, 21);
			this.cmbIssueType.TabIndex = 3;
			// 
			// txtComment
			// 
			this.txtComment.AcceptsReturn = true;
			this.txtComment.Location = new System.Drawing.Point(8, 104);
			this.txtComment.MaxLength = 2000;
			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 = 6;
			this.txtComment.Text = "";
			// 
			// labelIssue
			// 
			this.labelIssue.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.labelIssue.Location = new System.Drawing.Point(8, 44);
			this.labelIssue.Name = "labelIssue";
			this.labelIssue.Size = new System.Drawing.Size(72, 16);
			this.labelIssue.TabIndex = 2;
			this.labelIssue.Text = "&Issue Type:";
			// 
			// labelAssigned
			// 
			this.labelAssigned.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.labelAssigned.Location = new System.Drawing.Point(8, 12);
			this.labelAssigned.Name = "labelAssigned";
			this.labelAssigned.Size = new System.Drawing.Size(72, 16);
			this.labelAssigned.TabIndex = 0;
			this.labelAssigned.Text = "A&ssigned To:";
			// 
			// labelTitle
			// 
			this.labelTitle.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.labelTitle.Location = new System.Drawing.Point(8, 76);
			this.labelTitle.Name = "labelTitle";
			this.labelTitle.Size = new System.Drawing.Size(72, 16);
			this.labelTitle.TabIndex = 4;
			this.labelTitle.Text = "&Title:";
			// 
			// paneHeader
			// 
			this.paneHeader.AllowActive = false;
			this.paneHeader.AntiAlias = false;
			this.paneHeader.Caption = "Issue";
			this.paneHeader.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.paneHeader.ForeColor = System.Drawing.SystemColors.AppWorkspace;
			this.paneHeader.InactiveGradientHighColor = System.Drawing.Color.FromArgb(((System.Byte)(175)), ((System.Byte)(200)), ((System.Byte)(245)));
			this.paneHeader.InactiveGradientLowColor = System.Drawing.Color.FromArgb(((System.Byte)(205)), ((System.Byte)(225)), ((System.Byte)(250)));
			this.paneHeader.InactiveTextColor = System.Drawing.Color.Black;
			this.paneHeader.Location = new System.Drawing.Point(8, 8);
			this.paneHeader.Name = "paneHeader";
			this.paneHeader.Size = new System.Drawing.Size(256, 22);
			this.paneHeader.TabIndex = 1;
			// 
			// 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, 320);
			this.btnSave.Name = "btnSave";
			this.btnSave.TabIndex = 0;
			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.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.btnCancel.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.btnCancel.Location = new System.Drawing.Point(192, 320);
			this.btnCancel.Name = "btnCancel";
			this.btnCancel.TabIndex = 1;
			this.btnCancel.Text = "Cancel";
			this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
			// 
			// paneBack
			// 
			this.paneBack.AllowActive = false;
			this.paneBack.AntiAlias = false;
			this.paneBack.Font = new System.Drawing.Font("Tahoma", 12F, System.Drawing.FontStyle.Bold);
			this.paneBack.InactiveGradientHighColor = System.Drawing.Color.FromArgb(((System.Byte)(222)), ((System.Byte)(231)), ((System.Byte)(255)));
			this.paneBack.InactiveGradientLowColor = System.Drawing.Color.FromArgb(((System.Byte)(165)), ((System.Byte)(199)), ((System.Byte)(255)));
			this.paneBack.Location = new System.Drawing.Point(0, 0);
			this.paneBack.Name = "paneBack";
			this.paneBack.Size = new System.Drawing.Size(272, 352);
			this.paneBack.TabIndex = 0;
			// 
			// IssueNewForm
			// 
			this.AcceptButton = this.btnSave;
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.CancelButton = this.btnCancel;
			this.ClientSize = new System.Drawing.Size(272, 350);
			this.Controls.Add(this.paneHeader);
			this.Controls.Add(this.btnSave);
			this.Controls.Add(this.btnCancel);
			this.Controls.Add(this.Panel11);
			this.Controls.Add(this.paneBack);
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.MaximizeBox = false;
			this.Name = "IssueNewForm";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
			this.Text = "New Issue";
			this.Load += new System.EventHandler(this.IssueNewForm_Load);
			this.Panel11.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		// Initialize the window, this includes setting the initial position
		// populating the comboboxes and enabling / disabling the OK button.
		private void IssueNewForm_Load(object sender, EventArgs e)
		{
			CenterWindow();
			LoadLookups();
			UpdateButtons();
		}

		// Save button was clicked, add new issue and close window.
		private void btnSave_Click(object sender, EventArgs e)
		{
			// Remember the settings so they can be restored next time. This
			// is a short-time persist, it's reset when the app restarts.
			m_lastAssignedTo = cmbAssignedTo.Text;
			m_lastIssueType = cmbIssueType.Text;
			
			//Add the new issue to the local dataset.
			m_subject.AddIssue(	(int)cmbAssignedTo.SelectedValue, 
								(int)cmbIssueType.SelectedValue, 
								txtTitle.Text.Trim(), 
								txtComment.Text.Trim());
			Close();
		}

		// Decided not to add a new issue, close the window.
		private void btnCancel_Click(object sender, EventArgs e)
		{
			Close();
		}

		// Center the window position to its owner.
		private void CenterWindow()
		{
			// Use default position if the owner is not specified.
			if (Owner != null)
			{
				// Center the window to its owner, could call Form.CenterWindow.
				Location = new Point(	Owner.Location.X + (Owner.Width - Width) / 2, 
										Owner.Location.Y + (Owner.Height - Height) / 2);
			}
		}

		// Populate the comboboxes with the lookup values.
		private void LoadLookups()
		{
			cmbAssignedTo.DataSource = m_subject.Staffers;
			cmbAssignedTo.DisplayMember = "DisplayName";
			cmbAssignedTo.ValueMember = "StafferID";
			cmbAssignedTo.Text = m_lastAssignedTo;
			
			cmbIssueType.DataSource = m_subject.IssueTypes;
			cmbIssueType.DisplayMember = "IssueType";
			cmbIssueType.ValueMember = "IssueTypeID";
			cmbIssueType.Text = m_lastIssueType;
		}

		// Enable / disable the OK button when the title changes.
		private void txtTitle_TextChanged(object sender, EventArgs e)
		{
			UpdateButtons();
		}

		// Disable the OK button if there is not a title.
		private void UpdateButtons()
		{
			btnSave.Enabled = txtTitle.Text.Trim().Length > 0;
		}
	}
}

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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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