Firewall Puzzle

EduNetworkBuilder/EduNetworkBuilder.csproj

@@ -255,6 +255,7 @@
     <None Include="Resources\Level2_Build_A_VPN.enbx" />
     <None Include="Resources\Level2_Connect_The_Dots.enbx" />
     <None Include="Resources\Level2_FirewallDemo.enbx" />
+    <None Include="Resources\Level2_FirewallTest2.enbx" />
     <None Include="Resources\Level2_Not_Working.enbx" />
     <None Include="Resources\Level2_VPN_Demo.enbx" />
     <None Include="Resources\Level2_VPN_woes.enbx" />

EduNetworkBuilder/FirewallEditor.cs

@@ -25,16 +25,6 @@ namespace EduNetworkBuilder
 
         void UpdateForm()
         {
-            if (lbRules.SelectedIndex >= 0)
-            {
-                btnDel.Visible = true;
-                btnEdit.Visible = true;
-            }
-            else
-            {
-                btnDel.Visible = false;
-                btnEdit.Visible = false;
-            }
             int selected = lbRules.SelectedIndex;
             lbRules.Items.Clear();
             foreach (FirewallRule FW in FirewallDevice.FirewallRules)
@@ -49,6 +39,17 @@ namespace EduNetworkBuilder
                 if (lbRules.Items.Count > 0)
                     lbRules.SelectedIndex = 0;
             }
+            //Make the buttons visible
+            if (lbRules.SelectedIndex >= 0)
+            {
+                btnDel.Visible = true;
+                btnEdit.Visible = true;
+            }
+            else
+            {
+                btnDel.Visible = false;
+                btnEdit.Visible = false;
+            }
         }
 
         private void btnNew_Click(object sender, EventArgs e)

EduNetworkBuilder/NB.cs

@@ -64,7 +64,7 @@ namespace EduNetworkBuilder
         Level1_MidDHCP, Level1_OneNetTwoSubnets, Level1_DuplicateIPs, Level0_NetworkLoop, Level1_DuplicateMAC,
         Level2_FirewallDemo, Level1_OneNetTwoSubnets2, Level2_VPN_Demo, Level2_Bad_VPN_IP, Level2_Bad_Encryption,
         Level2_Bad_Route, Level2_Blast_From_Past, Level2_Not_Working, Level2_Build_A_VPN, Level2_Connect_The_Dots,
-        Level2_VPN_woes,
+        Level2_VPN_woes, Level2_FirewallTest2,
         Level3_BlackHole, Level3_Busted, Level3_Middle_Man_Out, Level3_PhoneyNetwork, Level3_VPNify, Level3_EncryptionTroubles,
         Level3_NowhereToGo, Level3_GrandCentralStation, Level3_Dead, Level0_NetworkLoop2, Level0_BrokenLink,
         Level3_TwoDHCPServers,

EduNetworkBuilder/Properties/Resources.Designer.cs

@@ -472,6 +472,16 @@ namespace EduNetworkBuilder.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level2_FirewallTest2 {
+            get {
+                object obj = ResourceManager.GetObject("Level2_FirewallTest2", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized resource of type System.Byte[].
         /// </summary>

EduNetworkBuilder/Properties/Resources.resx

@@ -427,4 +427,7 @@
   <data name="Level6_TwoAccessPoints" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\Level6_TwoAccessPoints.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
+  <data name="Level2_FirewallTest2" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level2_FirewallTest2.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
 </root>