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I am using Grid Grouping Control - Windows Forms - 7.0 version.
I am using following code to add custom comparer.
SortColumnDescriptor desc = new SortColumnDescriptor(); desc.Comparer = new AComparer(); gridGroupingControl.TableDescriptor.SortedColumns.Add(desc);
Code does invoke custom comparer AComparer but both values for comparer is always null. When I add new rows, comparer is invoked as same number of row in spreadsheet but both values are always null.