I knew, there was an event "columnReorder", after order of column was changed.
But, I need another event "columnReordering", that is fired before order of column will be changed, and with these parameters: cancel (true/false), column (kendo.ui.gridcolumn), sender (kendo.ui.grid), newIndex (number), oldIndex (number). If cancel is "true", reordering will be rejected right now.
Do you have any suggestion?