 activeSheet.bind(GC.Spread.Sheets.Events.CellClick, function (e, info) {
                if (info.sheetArea === GC.Spread.Sheets.SheetArea.viewport) {
                    alert("Clicked cell index (" + info.row + "," + info.col + ")");

                    //Acquire the coordinate information of regular cells which exist at the specified index position
                    var cellRect = activeSheet.getCellRect(info.row, info.col);
                    alert("X coordinate:" + cellRect.x);
                    alert("Y coordinate:" + cellRect.y);
                    alert("Cell width:" + cellRect.width);
                    alert("Cell height:" + cellRect.height);
                }
            });