now history list is sortable by clicking column headers

HistoryLib/HistoryForm.Designer.cs

@@ -267,7 +267,6 @@ private void InitializeComponent()
             this.chHost,
             this.chURL});
             this.lvHistory.FullRowSelect = true;
-            this.lvHistory.HeaderStyle = System.Windows.Forms.ColumnHeaderStyle.Nonclickable;
             this.lvHistory.HideSelection = false;
             this.lvHistory.Location = new System.Drawing.Point(8, 288);
             this.lvHistory.Name = "lvHistory";
@@ -275,6 +274,7 @@ private void InitializeComponent()
             this.lvHistory.TabIndex = 1;
             this.lvHistory.UseCompatibleStateImageBehavior = false;
             this.lvHistory.View = System.Windows.Forms.View.Details;
+            this.lvHistory.ColumnClick += new System.Windows.Forms.ColumnClickEventHandler(this.lvHistory_ColumnClick);
             this.lvHistory.ItemSelectionChanged += new System.Windows.Forms.ListViewItemSelectionChangedEventHandler(this.lvHistory_ItemSelectionChanged);
             this.lvHistory.KeyDown += new System.Windows.Forms.KeyEventHandler(this.lvHistory_KeyDown);
             this.lvHistory.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.lvHistory_MouseDoubleClick);

HistoryLib/HistoryForm.cs

@@ -25,6 +25,7 @@ You should have received a copy of the GNU General Public License
 
 using HelpersLib;
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
@@ -325,6 +326,30 @@ private void lvHistory_KeyDown(object sender, KeyEventArgs e)
             e.Handled = true;
         }
 
+        private void lvHistory_ColumnClick(object sender, ColumnClickEventArgs e)
+        {
+            this.lvHistory.ListViewItemSorter = new ListViewItemComparer(e.Column);
+            lvHistory.Sort();
+        }
+
         #endregion Form events
+
+    }
+
+    class ListViewItemComparer : IComparer
+    {
+        private int col;
+        public ListViewItemComparer()
+        {
+            col = 0;
+        }
+        public ListViewItemComparer(int column)
+        {
+            col = column;
+        }
+        public int Compare(object x, object y)
+        {
+            return String.Compare(((ListViewItem)x).SubItems[col].Text, ((ListViewItem)y).SubItems[col].Text);
+        }
     }
 }

HistoryLib/HistoryLib.csproj

@@ -96,6 +96,11 @@
       <Name>HelpersLib</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="HistoryForm.resx">
+      <DependentUpon>HistoryForm.cs</DependentUpon>
+    </EmbeddedResource>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PostBuildEvent>