Columnsort infört i lisview

WinFormDi/frmPayments.Designer.cs

@@ -53,6 +53,7 @@
             lvPayments.TabIndex = 0;
             lvPayments.UseCompatibleStateImageBehavior = false;
             lvPayments.View = View.Details;
+            lvPayments.ColumnClick += lvPayments_ColumnClick;
             // 
             // ch1_Id
             // 

WinFormDi/frmPayments.cs

@@ -14,6 +14,8 @@ namespace WinFormDiApp
 {
     public partial class frmPayments : Form
     {
+        private ListViewColumnSorter lvwColumnSorter;
+
         private bool _enableClearing;
         private bool _enableDetailShow;
         private readonly IAccountRecordRepository _accountRecordRepository;
@@ -45,6 +47,13 @@ namespace WinFormDiApp
         public frmPayments(IAccountRecordRepository accountRecordRepository)
         {
             InitializeComponent();
+            //---------------------------------
+            // Create an instance of a ListView column sorter and assign it
+            // to the ListView control.
+            lvwColumnSorter = new ListViewColumnSorter();
+            lvPayments.ListViewItemSorter = lvwColumnSorter;
+            //---------------------------------
+
             lvPayments.Items.Clear();
             _accountRecordRepository = accountRecordRepository;
         }
@@ -101,7 +110,7 @@ namespace WinFormDiApp
 
         private void btnRensa_Click(object sender, EventArgs e)
         {
-            if(MessageBox.Show("Verkligen Säker på att rensa DB?","Payments",  MessageBoxButtons.YesNo, MessageBoxIcon.Question)==DialogResult.Yes)
+            if (MessageBox.Show("Verkligen Säker på att rensa DB?", "Payments", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
             {
                 MessageBox.Show("Nu rensar vi");
                 _accountRecordRepository.DeleteAllAccountRecords();
@@ -119,6 +128,32 @@ namespace WinFormDiApp
                 }
             }
         }
+
+        private void lvPayments_ColumnClick(object sender, ColumnClickEventArgs e)
+        {
+            // Determine if clicked column is already the column that is being sorted.
+            if (e.Column == lvwColumnSorter.SortColumn)
+            {
+                // Reverse the current sort direction for this column.
+                if (lvwColumnSorter.Order == SortOrder.Ascending)
+                {
+                    lvwColumnSorter.Order = SortOrder.Descending;
+                }
+                else
+                {
+                    lvwColumnSorter.Order = SortOrder.Ascending;
+                }
+            }
+            else
+            {
+                // Set the column number that is to be sorted; default to ascending.
+                lvwColumnSorter.SortColumn = e.Column;
+                lvwColumnSorter.Order = SortOrder.Ascending;
+            }
+
+            // Perform the sort with these new sort options.
+            lvPayments.Sort();
+        }
         //------------------------------------------------- sorting ------------
 
         //------------------------------------------------- sorting ------------