void listView1_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;
ListViewExtensions.SetSortIcon(listView1, e.Column, SortOrder.Descending);
}
else
{
lvwColumnSorter.Order = SortOrder.Ascending;
ListViewExtensions.SetSortIcon(listView1, e.Column, SortOrder.Ascending);
}
}
else
{
// Set the column number that is to be sorted; default to ascending.
lvwColumnSorter.SortColumn = e.Column;
lvwColumnSorter.Order = SortOrder.Ascending;
ListViewExtensions.SetSortIcon(listView1, e.Column, SortOrder.Ascending);
}
// Perform the sort with these new sort options.
this.listView1.Sort();
}
/// <summary>
/// Sorts the list by the clicked column.
/// </summary>
/// <param name="e">EventArgs object</param>
protected override void OnColumnClick(ColumnClickEventArgs e)
{
//locked = true;
base.OnColumnClick(e);
//using (new Hourglass(ShowHourglass))
{
ColumnHeader columnHeader = this.Columns[e.Column];
// The comparer is stored in the Tag property
FWCompareObject comparer = ((ColumnHeaderTag)columnHeader.Tag).compareObject;
if (compareObjectComparersVal.FirstComparer == comparer)
{
comparer.Ascending ^= true;
}
else
{
compareObjectComparersVal.FirstComparer = comparer;
}
object focusedObjectCache = FocusedObject;
List <int> selectedObjectIDs = new List <int>();
BeforeSort(selectedObjectIDs);
// Sort the cached objects.
// The cache will ensure, that all objects are read.
objectsCacheValue.Sort(compareObjectComparersVal);
List <int> selectedIndizes = new List <int>();
AfterSort(focusedObjectCache, selectedObjectIDs, selectedIndizes);
// The current cache for ListViewItems is invalid now
itemCache = null;
// Redraw the list
Refresh();
// Set the sort icon (triangle in the column header)
SortOrder sortOrder = comparer.Ascending ? SortOrder.Ascending : SortOrder.Descending;
ListViewExtensions.SetSortIcon(this, e.Column, sortOrder);
//locked = false;
}
}
