diff --git a/Chapter6/frmMain.Designer.cs b/Chapter6/frmMain.Designer.cs
index 7cc8d7e..3cbb446 100644
--- a/Chapter6/frmMain.Designer.cs
+++ b/Chapter6/frmMain.Designer.cs
@@ -48,7 +48,11 @@ namespace Chapter6
             this.mnuWindowCloseAll = new System.Windows.Forms.ToolStripMenuItem();
             this.mnuHelp = new System.Windows.Forms.ToolStripMenuItem();
             this.mnuHelpAbout = new System.Windows.Forms.ToolStripMenuItem();
+            this.statusStrip1 = new System.Windows.Forms.StatusStrip();
+            this.lblUser = new System.Windows.Forms.ToolStripStatusLabel();
+            this.lblDateTime = new System.Windows.Forms.ToolStripStatusLabel();
             this.Menu.SuspendLayout();
+            this.statusStrip1.SuspendLayout();
             this.SuspendLayout();
             // 
             // Menu
@@ -86,7 +90,7 @@ namespace Chapter6
             this.mnuEditCalculate.Name = "mnuEditCalculate";
             this.mnuEditCalculate.Size = new System.Drawing.Size(153, 22);
             this.mnuEditCalculate.Text = "Calculate";
-            this.mnuEditCalculate.Click += mnuEditCalculate_Click;
+            this.mnuEditCalculate.Click += new System.EventHandler(this.mnuEditCalculate_Click);
             // 
             // mnuEditSummary
             // 
@@ -123,35 +127,36 @@ namespace Chapter6
             // mnuWindowArrangeIcons
             // 
             this.mnuWindowArrangeIcons.Name = "mnuWindowArrangeIcons";
-            this.mnuWindowArrangeIcons.Size = new System.Drawing.Size(152, 22);
+            this.mnuWindowArrangeIcons.Size = new System.Drawing.Size(147, 22);
             this.mnuWindowArrangeIcons.Text = "Arrange Icons";
             // 
             // mnuWindowsCascade
             // 
             this.mnuWindowsCascade.Name = "mnuWindowsCascade";
-            this.mnuWindowsCascade.Size = new System.Drawing.Size(152, 22);
+            this.mnuWindowsCascade.Size = new System.Drawing.Size(147, 22);
             this.mnuWindowsCascade.Text = "Cascade";
             this.mnuWindowsCascade.Click += new System.EventHandler(this.mnuWindowsCascade_Click);
             // 
             // munWindowHorizontal
             // 
             this.munWindowHorizontal.Name = "munWindowHorizontal";
-            this.munWindowHorizontal.Size = new System.Drawing.Size(152, 22);
+            this.munWindowHorizontal.Size = new System.Drawing.Size(147, 22);
             this.munWindowHorizontal.Text = "Horizontal";
             this.munWindowHorizontal.Click += new System.EventHandler(this.munWindowHorizontal_Click);
             // 
             // mnuWindowVertical
             // 
             this.mnuWindowVertical.Name = "mnuWindowVertical";
-            this.mnuWindowVertical.Size = new System.Drawing.Size(152, 22);
+            this.mnuWindowVertical.Size = new System.Drawing.Size(147, 22);
             this.mnuWindowVertical.Text = "Vertical";
             this.mnuWindowVertical.Click += new System.EventHandler(this.mnuWindowVertical_Click);
             // 
             // mnuWindowCloseAll
             // 
             this.mnuWindowCloseAll.Name = "mnuWindowCloseAll";
-            this.mnuWindowCloseAll.Size = new System.Drawing.Size(152, 22);
+            this.mnuWindowCloseAll.Size = new System.Drawing.Size(147, 22);
             this.mnuWindowCloseAll.Text = "Close All";
+            this.mnuWindowCloseAll.Click += new System.EventHandler(this.mnuWindowCloseAll_Click);
             // 
             // mnuHelp
             // 
@@ -167,11 +172,34 @@ namespace Chapter6
             this.mnuHelpAbout.Text = "About";
             this.mnuHelpAbout.Click += new System.EventHandler(this.mnuHelpAbout_Click);
             // 
+            // statusStrip1
+            // 
+            this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { this.lblUser, this.lblDateTime });
+            this.statusStrip1.Location = new System.Drawing.Point(0, 428);
+            this.statusStrip1.Name = "statusStrip1";
+            this.statusStrip1.Size = new System.Drawing.Size(800, 22);
+            this.statusStrip1.TabIndex = 3;
+            this.statusStrip1.Text = "statusStrip1";
+            // 
+            // lblUser
+            // 
+            this.lblUser.Name = "lblUser";
+            this.lblUser.RightToLeft = System.Windows.Forms.RightToLeft.No;
+            this.lblUser.Size = new System.Drawing.Size(0, 17);
+            this.lblUser.TextDirection = System.Windows.Forms.ToolStripTextDirection.Horizontal;
+            // 
+            // lblDateTime
+            // 
+            this.lblDateTime.Margin = new System.Windows.Forms.Padding(470, 3, 0, 2);
+            this.lblDateTime.Name = "lblDateTime";
+            this.lblDateTime.Size = new System.Drawing.Size(0, 17);
+            // 
             // frmMain
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(800, 450);
+            this.Controls.Add(this.statusStrip1);
             this.Controls.Add(this.Menu);
             this.IsMdiContainer = true;
             this.MainMenuStrip = this.Menu;
@@ -179,10 +207,18 @@ namespace Chapter6
             this.Text = "MDI";
             this.Menu.ResumeLayout(false);
             this.Menu.PerformLayout();
+            this.statusStrip1.ResumeLayout(false);
+            this.statusStrip1.PerformLayout();
             this.ResumeLayout(false);
             this.PerformLayout();
         }
 
+        private System.Windows.Forms.ToolStripStatusLabel lblDateTime;
+
+        private System.Windows.Forms.ToolStripStatusLabel lblUser;
+
+        private System.Windows.Forms.StatusStrip statusStrip1;
+
         private System.Windows.Forms.ToolStripMenuItem mnuEditCalculate;
         private System.Windows.Forms.ToolStripMenuItem mnuEditSummary;
         private System.Windows.Forms.ToolStripMenuItem mnuEditShowStudents;
diff --git a/Chapter6/frmMain.cs b/Chapter6/frmMain.cs
index babe473..92be0e0 100644
--- a/Chapter6/frmMain.cs
+++ b/Chapter6/frmMain.cs
@@ -1,13 +1,34 @@
 using System;
 using System.Windows.Forms;
+using System.Security.Principal;
 
 namespace Chapter6
 {
     public partial class frmMain : Form
     {
+
+        private Timer timer;
         public frmMain()
         {
             InitializeComponent();
+
+            lblUser.Text = WindowsIdentity.GetCurrent().Name.ToString();
+
+            timer = new Timer
+            {
+                Interval = 1000
+            };
+
+            timer.Tick += Tick;
+            timer.Start();
+
+        }
+
+        private void Tick(object sender, EventArgs e)
+        {
+
+            lblDateTime.Text = DateTime.Now.ToString("f");
+
         }
 
         private void mnuFileExit_Click(object sender, EventArgs e)
@@ -88,5 +109,20 @@ namespace Chapter6
         {
             LayoutMdi(MdiLayout.Cascade);
         }
+
+        private void mnuWindowCloseAll_Click(object sender, EventArgs e)
+        {
+            foreach (var childform in MdiChildren)
+            {
+                
+                childform.Close();
+                
+            }
+        }
+
+        private void statusStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e)
+        {
+            
+        }
     }
 }
\ No newline at end of file
diff --git a/Chapter6/frmMain.resx b/Chapter6/frmMain.resx
index 5b57c07..2e28eba 100644
--- a/Chapter6/frmMain.resx
+++ b/Chapter6/frmMain.resx
@@ -120,4 +120,7 @@
   <metadata name="Menu.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>17, 17</value>
   </metadata>
+  <metadata name="statusStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>97, 17</value>
+  </metadata>
 </root>
\ No newline at end of file