public static void SetSortIcon(this ifListView ListViewControl, int ColumnIndex, System.Windows.Forms.SortOrder Order)
{
IntPtr ColumnHeader = SendMessage(ListViewControl.Handle, LVM_GETHEADER, IntPtr.Zero, IntPtr.Zero);
for (int ColumnNumber = 0; ColumnNumber <= ListViewControl.Columns.Count - 1; ColumnNumber++)
{
IntPtr ColumnPtr = new IntPtr(ColumnNumber);
LVCOLUMN lvColumn = new LVCOLUMN();
lvColumn.mask = HDI_FORMAT;
SendMessageLVCOLUMN(ColumnHeader, HDM_GETITEM, ColumnPtr, ref lvColumn);
if (!(Order == System.Windows.Forms.SortOrder.None) && ColumnNumber == ColumnIndex)
{
switch (Order)
{
case System.Windows.Forms.SortOrder.Ascending:
lvColumn.fmt &= ~HDF_SORTDOWN;
lvColumn.fmt |= HDF_SORTUP;
break;
case System.Windows.Forms.SortOrder.Descending:
lvColumn.fmt &= ~HDF_SORTUP;
lvColumn.fmt |= HDF_SORTDOWN;
break;
}
}
else
{
lvColumn.fmt &= ~HDF_SORTDOWN & ~HDF_SORTUP;
}
SendMessageLVCOLUMN(ColumnHeader, HDM_SETITEM, ColumnPtr, ref lvColumn);
}
}
internal ListViewBindingCollection(ifListView listView)
{
_listView = listView;
}
public ItemSorter(ifListView sorter)
{
_sorter = sorter;
}