Colored packets, and some bugs that caused things to crash adding vlans

EduNetworkBuilder/Network.cs

@@ -27,6 +27,7 @@ namespace EduNetworkBuilder
         public bool OptionShowLabels = false;
         public bool ShowLabelsHere = false;
         public bool VLANsEnabled = false;
+        public bool VLANPacketColors = false;
         public LanguageStrings NetMessage;
         public LanguageStrings NetTitle;
         List<NetworkComponent> NetComponents = new List<NetworkComponent>();
@@ -136,6 +137,11 @@ namespace EduNetworkBuilder
                         case "vlansenabled":
                             bool.TryParse(Individual.InnerText, out VLANsEnabled);
                             break;
+                        case "vlanpacketcolors":
+                            bool.TryParse(Individual.InnerText, out VLANPacketColors);
+                            if (VLANPacketColors)
+                                VLANsEnabled = true; //If we do colors, we need to do vlans
+                            break;
                         case "itemsize":
                             int.TryParse(Individual.InnerText, out itemsize);
                             break;
@@ -282,6 +288,7 @@ namespace EduNetworkBuilder
             writer.WriteElementString("uniqueidentifier", UniqueIdentifier.ToString());
             writer.WriteElementString("startinghelplevel", StartingHelpLevel.ToString());
             writer.WriteElementString("vlansenabled", VLANsEnabled.ToString());
+            writer.WriteElementString("VLANPacketColors", VLANPacketColors.ToString());
             //Save all the devices
             for (int loop = 0; loop < NetComponents.Count; loop++)
             {
@@ -1441,6 +1448,7 @@ namespace EduNetworkBuilder
 
         public Color ColorFromPacketVLAN(int id)
         {
+            if (!VLANPacketColors) return Color.Blue; //If we are not set up to do vlan colors.
             foreach(VLANName VN in VlanNames)
             {
                 if (VN.ID == id)

EduNetworkBuilder/NetworkCard.cs

@@ -39,10 +39,10 @@ namespace EduNetworkBuilder
         {
             myNicType = theType;
             _nic_name = myNicType.ToString() + index.ToString();
+            myID = new HostNicID(HostID, UniqueIdentifier, hostname, _nic_name);
             NetworkInterface nInterface = new NetworkInterface(NicName(), NB.ZeroIPString, NB.ZeroIPString, myID);
             if(theType == NicType.lo)
                 nInterface = new NetworkInterface(NicName(), "127.0.0.1", "255.0.0.0", myID);
-            myID = new HostNicID(HostID, UniqueIdentifier,hostname,nInterface.nic_name);
             interfaces.Add(nInterface);
             ApplyNicRules();
             SetIPForDHCP();

EduNetworkBuilder/OptionsWindow.Designer.cs

@@ -50,6 +50,7 @@
             this.cbStartingHelpLevel = new System.Windows.Forms.ComboBox();
             this.lblStartingHelp = new System.Windows.Forms.Label();
             this.cbVLANs = new System.Windows.Forms.CheckBox();
+            this.cb_ColoredPackets = new System.Windows.Forms.CheckBox();
             this.SuspendLayout();
             // 
             // btnDone
@@ -239,12 +240,23 @@
             // cbVLANs
             // 
             this.cbVLANs.AutoSize = true;
-            this.cbVLANs.Location = new System.Drawing.Point(341, 44);
+            this.cbVLANs.Location = new System.Drawing.Point(519, 247);
             this.cbVLANs.Name = "cbVLANs";
             this.cbVLANs.Size = new System.Drawing.Size(129, 21);
             this.cbVLANs.TabIndex = 21;
             this.cbVLANs.Text = "VLANs Enabled";
             this.cbVLANs.UseVisualStyleBackColor = true;
+            this.cbVLANs.CheckedChanged += new System.EventHandler(this.cbVLANs_CheckedChanged);
+            // 
+            // cb_ColoredPackets
+            // 
+            this.cb_ColoredPackets.AutoSize = true;
+            this.cb_ColoredPackets.Location = new System.Drawing.Point(519, 274);
+            this.cb_ColoredPackets.Name = "cb_ColoredPackets";
+            this.cb_ColoredPackets.Size = new System.Drawing.Size(173, 21);
+            this.cb_ColoredPackets.TabIndex = 22;
+            this.cb_ColoredPackets.Text = "VLAN Colored Packets";
+            this.cb_ColoredPackets.UseVisualStyleBackColor = true;
             // 
             // OptionsWindow
             // 
@@ -252,6 +264,7 @@
             this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(836, 307);
+            this.Controls.Add(this.cb_ColoredPackets);
             this.Controls.Add(this.cbVLANs);
             this.Controls.Add(this.lblStartingHelp);
             this.Controls.Add(this.cbStartingHelpLevel);
@@ -305,5 +318,6 @@
         private System.Windows.Forms.ComboBox cbStartingHelpLevel;
         private System.Windows.Forms.Label lblStartingHelp;
         private System.Windows.Forms.CheckBox cbVLANs;
+        private System.Windows.Forms.CheckBox cb_ColoredPackets;
     }
 }

EduNetworkBuilder/OptionsWindow.cs

@@ -46,6 +46,7 @@ namespace EduNetworkBuilder
             myToolTip.SetToolTip(lblSortOrder, NB.Translate("OW_OWSort"));
             myToolTip.SetToolTip(tbSortOrder, NB.Translate("OW_OWSort"));
             myToolTip.SetToolTip(cbVLANs, NB.Translate("OW_OWVLANs"));
+            myToolTip.SetToolTip(cb_ColoredPackets, NB.Translate("OW_OWVLANColoredPacketsTT"));
             LoadValuesFromNetwork();
         }
 
@@ -63,6 +64,7 @@ namespace EduNetworkBuilder
             lblSortOrder.Text = NB.Translate("OW_lblSortOrder");
             lblStartingHelp.Text = NB.Translate("OW_lblStartingHelp");
             cbVLANs.Text = NB.Translate("OW_cbVLANs");
+            cb_ColoredPackets.Text = NB.Translate("OW_OWVLANColoredPackets");
             Text = NB.Translate("OW_Form");
         }
 
@@ -74,6 +76,7 @@ namespace EduNetworkBuilder
             tbNetworkTitle.Text = myNet.NetTitle.GetText();
             cbDisplayTitles.Checked = myNet.OptionShowLabels;
             cbVLANs.Checked = myNet.VLANsEnabled;
+            cb_ColoredPackets.Checked = myNet.VLANPacketColors;
             tbNetworkX.Text = myNet.myWidth.ToString();
             tbNetworkY.Text = myNet.myHeight.ToString();
             tbLevel.Text = myNet.Level.ToString();
@@ -111,6 +114,7 @@ namespace EduNetworkBuilder
             myNet.NetTitle.Add(tbNetworkTitle.Text);
             myNet.OptionShowLabels = cbDisplayTitles.Checked;
             myNet.VLANsEnabled = cbVLANs.Checked;
+            myNet.VLANPacketColors = cb_ColoredPackets.Checked;
             myNet.ShowLabelsHere = myNet.OptionShowLabels;
             int.TryParse(tbNetworkX.Text, out myNet.myWidth);
             int.TryParse(tbNetworkY.Text, out myNet.myHeight);
@@ -375,5 +379,18 @@ namespace EduNetworkBuilder
             int.TryParse(tbLevel.Text, out value);
             tbLevel.Text = value.ToString();
         }
+
+        private void cbVLANs_CheckedChanged(object sender, EventArgs e)
+        {
+            if(cbVLANs.Checked)
+            {
+                cb_ColoredPackets.Visible = true;
+            }
+            else
+            {
+                cb_ColoredPackets.Visible = false;
+                cb_ColoredPackets.Checked = false;
+            }
+        }
     }
 }

EduNetworkBuilder/Resources/languages/edustrings.resx

@@ -1601,4 +1601,12 @@
     <value>The Interface needs an Untagged VLAN</value>
     <comment>NT_TstDiscriptNeedsUntaggedVLAN</comment>
   </data>
+  <data name="OW_OWVLANColoredPackets" xml:space="preserve">
+    <value>VLAN Colored Packets</value>
+    <comment>OW_OWVLANColoredPackets = VLAN Colored Packets</comment>
+  </data>
+  <data name="OW_OWVLANColoredPacketsTT" xml:space="preserve">
+    <value>When packets are passing across a VLAN link, color the packets so we can visualize them better.</value>
+    <comment>OW_OWVLANColoredPacketsTT = When packets are passing across a VLAN link, color the packets so we can visualize them better.</comment>
+  </data>
 </root>

EduNetworkBuilder/Resources/level6_UntaggedAndDHCP.enbx

@@ -14,6 +14,7 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
     <uniqueidentifier>169</uniqueidentifier>
     <startinghelplevel>full</startinghelplevel>
     <vlansenabled>True</vlansenabled>
+    <VLANPacketColors>True</VLANPacketColors>
     <device>
       <hostname>firewall0</hostname>
       <size>100</size>
@@ -40,6 +41,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>lo</nictype>
         <uniqueidentifier>134</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>lo0</nicname>
           <myip>
@@ -64,6 +67,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>wan</nictype>
         <uniqueidentifier>137</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>wan0</nicname>
           <myip>
@@ -88,6 +93,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>eth</nictype>
         <uniqueidentifier>135</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>eth0</nicname>
           <myip>
@@ -138,6 +145,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>eth</nictype>
         <uniqueidentifier>136</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>eth1</nicname>
           <myip>
@@ -207,6 +216,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>lo</nictype>
         <uniqueidentifier>144</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>lo0</nicname>
           <myip>
@@ -231,6 +242,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>eth</nictype>
         <uniqueidentifier>145</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>eth0</nicname>
           <myip>
@@ -260,10 +273,10 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <interface>
           <nicname>wlan2</nicname>
           <myip>
-            <ip>192.168.2.5</ip>
+            <ip>0.0.0.0</ip>
-            <mask>255.255.255.0</mask>
+            <mask>0.0.0.0</mask>
-            <gateway>192.168.2.1</gateway>
+            <gateway>0.0.0.0</gateway>
-            <type>route</type>
+            <type>ip</type>
           </myip>
           <VLAN
             ID="1">Untagged</VLAN>
@@ -296,6 +309,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>lo</nictype>
         <uniqueidentifier>148</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>lo0</nicname>
           <myip>
@@ -320,6 +335,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>eth</nictype>
         <uniqueidentifier>149</uniqueidentifier>
         <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>eth0</nicname>
           <myip>
@@ -344,6 +361,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>wlan</nictype>
         <uniqueidentifier>150</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>wlan2</nicname>
           <myip>
@@ -383,6 +402,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>lo</nictype>
         <uniqueidentifier>101</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>lo0</nicname>
           <myip>
@@ -407,6 +428,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>management_interface</nictype>
         <uniqueidentifier>102</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>management_interface0</nicname>
           <myip>
@@ -431,6 +454,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>103</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port1</nicname>
           <myip>
@@ -459,6 +484,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>104</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port2</nicname>
           <myip>
@@ -487,6 +514,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>105</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port3</nicname>
           <myip>
@@ -515,6 +544,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>106</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port4</nicname>
           <myip>
@@ -543,6 +574,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>107</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port5</nicname>
           <myip>
@@ -571,6 +604,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>108</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port6</nicname>
           <myip>
@@ -599,6 +634,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>109</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port7</nicname>
           <myip>
@@ -642,6 +679,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>lo</nictype>
         <uniqueidentifier>156</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>lo0</nicname>
           <myip>
@@ -666,6 +705,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>management_interface</nictype>
         <uniqueidentifier>157</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>management_interface0</nicname>
           <myip>
@@ -690,6 +731,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>158</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port1</nicname>
           <myip>
@@ -718,6 +761,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>159</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port2</nicname>
           <myip>
@@ -746,6 +791,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>160</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port3</nicname>
           <myip>
@@ -774,6 +821,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>161</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port4</nicname>
           <myip>
@@ -802,6 +851,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>162</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port5</nicname>
           <myip>
@@ -830,6 +881,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>163</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port6</nicname>
           <myip>
@@ -858,6 +911,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>port</nictype>
         <uniqueidentifier>164</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>port7</nicname>
           <myip>
@@ -902,6 +957,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>lo</nictype>
         <uniqueidentifier>111</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>lo0</nicname>
           <myip>
@@ -926,6 +983,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>eth</nictype>
         <uniqueidentifier>112</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>eth0</nicname>
           <myip>
@@ -966,6 +1025,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>lo</nictype>
         <uniqueidentifier>114</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>lo0</nicname>
           <myip>
@@ -990,6 +1051,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>eth</nictype>
         <uniqueidentifier>115</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>eth0</nicname>
           <myip>
@@ -1030,6 +1093,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>lo</nictype>
         <uniqueidentifier>117</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>lo0</nicname>
           <myip>
@@ -1054,6 +1119,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>eth</nictype>
         <uniqueidentifier>118</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>eth0</nicname>
           <myip>
@@ -1093,6 +1160,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>lo</nictype>
         <uniqueidentifier>122</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>lo0</nicname>
           <myip>
@@ -1117,6 +1186,8 @@ For this map, the VLAN packets are displayed with the color of the PC on that VL
         <nictype>eth</nictype>
         <uniqueidentifier>123</uniqueidentifier>
         <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <ssid />
         <interface>
           <nicname>eth1</nicname>
           <myip>

EduNetworkBuilder/VLANConfig.cs

@@ -50,8 +50,16 @@ namespace EduNetworkBuilder
 
         void NamesDataBindingComplete(object Sender, EventArgs e)
         {
-            dgv_VLANNames.Columns[0].ReadOnly = LockedNames;
+            Network theNet = NB.GetNetwork();
-            dgv_VLANNames.Columns[1].ReadOnly = LockedNames;
+            if (dgv_VLANNames.Columns.Count > 0)
+            {
+                dgv_VLANNames.Columns[0].ReadOnly = LockedNames;
+                dgv_VLANNames.Columns[1].ReadOnly = LockedNames;
+                if(theNet.VLANPacketColors && dgv_VLANNames.Columns.Count > 2)
+                {
+                    dgv_VLANNames.Columns[2].ReadOnly = LockedNames;
+                }
+            }
         }
 
         private void UpdateForm()
@@ -70,6 +78,7 @@ namespace EduNetworkBuilder
             UpdateNamesFromForm(); //Read in any changes so far
 
             processing = true;
+            //********************
             //Bind the vlan names
             Network theNet = NB.GetNetwork();
             int selectedrow = -1;
@@ -84,8 +93,44 @@ namespace EduNetworkBuilder
             List<VLANName> tList = theNet.VlanNames.OrderBy(x => x.ID).ToList();
             StashedVLANNameList = new BindingList<VLANName>(tList);
 
+            dgv_VLANNames.AutoGenerateColumns = false;
+            dgv_VLANNames.Columns.Clear();
             dgv_VLANNames.DataSource = StashedVLANNameList;
             dgv_VLANNames.AllowUserToAddRows = true;
+
+            //The VLAN ID
+            DataGridViewTextBoxColumn DGVTB = new DataGridViewTextBoxColumn();
+            DGVTB.ValueType = typeof(string);
+            DGVTB.DataPropertyName = "ID";
+            DGVTB.Name = "ID";
+            DGVTB.HeaderText = "ID";
+            dgv_VLANNames.Columns.Add(DGVTB);
+
+            //The VLAN name
+            DGVTB = new DataGridViewTextBoxColumn();
+            DGVTB.ValueType = typeof(string);
+            DGVTB.DataPropertyName = "Name";
+            DGVTB.Name = "Name";
+            DGVTB.HeaderText = "Name";
+            dgv_VLANNames.Columns.Add(DGVTB);
+
+            if (theNet.VLANPacketColors)
+            {
+                //The VLAN color. (optional)
+                DataGridViewComboBoxColumn DGVCBC = new DataGridViewComboBoxColumn();
+                DGVCBC.ValueType = typeof(string);
+                DGVCBC.DataPropertyName = "PacketColorString";
+                DGVCBC.Name = "Color";
+                DGVCBC.HeaderText = "Color";
+                DGVCBC.Items.Add("Blue");
+                DGVCBC.Items.Add("Purple");
+                DGVCBC.Items.Add("Yellow");
+                DGVCBC.Items.Add("Green");
+                DGVCBC.Items.Add("Orange");
+                DGVCBC.Items.Add("Cyan");
+                dgv_VLANNames.Columns.Add(DGVCBC);
+            }
+
             if (TheDevice != null)
             {
                 if (theNet.ItemIsLocked(hostname, "", NetTestType.LockVLANNames) || 
@@ -94,6 +139,9 @@ namespace EduNetworkBuilder
                 else
                     LockedNames = false;
             }
+
+            //**************************************
+            //Start building the VLAN/Interface list
             VlanBindings.Columns.Clear();
             VlanBindings.Columns.Add("IF", typeof(string));
             foreach (VLANName vn in theNet.VlanNames)
@@ -234,7 +282,8 @@ namespace EduNetworkBuilder
                 {
                     if (!VLANNamesHasID(theNet.VlanNames, id))
                     {
-                        Color tColor = oList[theNet.VlanNames.Count].PacketColor;
+                        Color tColor = Color.Blue;
+                        if(theNet.VlanNames.Count < oList.Count ) tColor = oList[theNet.VlanNames.Count].PacketColor;
                         if (DR.Cells["Name"].Value == null) //When we are still adding
                             theNet.VlanNames.Add(new VLANName(id, "----", tColor));
                         else
@@ -283,8 +332,8 @@ namespace EduNetworkBuilder
 
         private void dgv_VLANNames_CellValidating(object sender, DataGridViewCellValidatingEventArgs e)
         {
-            string headerText =
+            //return;
-            dgv_VLANNames.Columns[e.ColumnIndex].HeaderText;
+            string headerText = dgv_VLANNames.Columns[e.ColumnIndex].Name;
             if (processing) return;
 
             dgv_VLANNames.Rows[e.RowIndex].ErrorText = ""; //clear the old one out
@@ -325,9 +374,13 @@ namespace EduNetworkBuilder
                         }
                     }
                     //MessageBox.Show(e.RowIndex.ToString() + " out of " + StashedVLANNameList.Count);
-
                 }
             }
+            if (headerText.Equals("Color"))
+            {
+                //Checking the color
+                Console.WriteLine("Here "+ e.RowIndex);
+            }
         }
 
         private void dgv_VLANNames_UserDeletedRow(object sender, DataGridViewRowEventArgs e)

EduNetworkBuilder/VLANStuff.cs

@@ -11,16 +11,16 @@ namespace EduNetworkBuilder
     [Serializable]
     public class VLANName
     {
-        public int _ID;
+        public int _ID = 0;
         [DisplayName("ID")]
         public int ID { get { return _ID; } set { _ID = value; } }
 
-        public string _Name;
+        public string _Name = "----";
 
         [DisplayName("Name")]
         public string Name { get { return _Name; } set { _Name = value; } }
 
-        Color _Color = Color.Empty;
+        Color _Color = Color.Blue;
         [DisplayName("ColorString")]
         public string PacketColorString { get { return _Color.Name; } set { _Color = Color.FromName(value); } }
         public Color PacketColor {  get { return _Color; } set { _Color = value; } }