var cellrange =new GC.Spread.Sheets.Range(0, 2, 5, 1);
var hideRowFilter =new GC.Spread.Sheets.Filter.HideRowFilter(cellrange);
activeSheet.rowFilter(hideRowFilter);

activeSheet.bind(GC.Spread.Sheets.Events.RangeFiltered, function (e, info) {    
        alert("Col (" + info.col + ")");
});