private void OnColumnClick(object sender, System.Windows.Forms.ColumnClickEventArgs e)
{
if (!sortable)
{
return;
}
LastSortedColumn = e.Column;
RowSorterHelper rs = this.GetRowSorterHelper();
if (rs == null)
{
this.ListViewItemSorter = new StringComparer(this);
}
else if (rs.Format == SortedListViewFormatType.String)
{
this.ListViewItemSorter = new StringComparer(this);
}
else if (rs.Format == SortedListViewFormatType.Numeric)
{
this.ListViewItemSorter = new NumericComparer(this);
}
else if (rs.Format == SortedListViewFormatType.Date)
{
this.ListViewItemSorter = new DateTimeComparer(this);
}
else if (rs.Format == SortedListViewFormatType.Custom)
{
if (this.CustomCompare != null)
{
this.CustomCompare(this);
return;
}
}
this.Sort();
this.ListViewItemSorter = null;
if (this.SortingOrder == SortOrder.Descending)
{
this.SortingOrder = SortOrder.Ascending;
}
else
{
this.SortingOrder = SortOrder.Descending;
}
}
internal RowSorterHelper GetRowSorterHelper()
{
if (CompareFromSubClass == 1)
{
SortedListViewFormatType format = this.GetSortedFormatType(this.LastSortedColumn);
return(new RowSorterHelper(this.LastSortedColumn, format));
}
for (int i = 0; i < rowSorterList.Count; i++)
{
RowSorterHelper rs = (RowSorterHelper)rowSorterList[i];
if (rs != null && rs.ColumnIndex == LastSortedColumn)
{
return(rs);
}
}
return(null);
}
