3、StringGrid之Event事件
property LiveBinding //把对象之间的属性绑定起来（XE2新增功能）
property OnApplyStyleLookup: TNotifyEvent ...; //应用新样式
property OnCanFocus: TCanFocusEvent ...; // SetFocus() 时
property OnClick: TNotifyEvent ...; //单击时
property OnDblClick: TNotifyEvent ...; //双击时
property OnDragEnter: TDragEnterEvent ...; //拖放进入时
property OnDragLeave: TNotifyEvent ...; //拖放离开时
property OnDragOver: TDragOverEvent ...; //拖放经过时
property OnDragDrop: TDragDropEvent ...; //拖放放下时
property OnDragEnd: TNotifyEvent ...; //拖放结束时
property OnEnter: TNotifyEvent ...; //获取焦点时
property OnExit: TNotifyEvent ...; //失去焦点时
property OnMouseDown: TMouseEvent ...; //鼠标按下时
property OnMouseMove: TMouseMoveEvent ...; //鼠标移动时
property OnMouseUp: TMouseEvent ...; //鼠标按键释放时
property OnMouseWheel: TMouseWheelEvent ...; //鼠标(滚动轮)滚动时
property OnMouseEnter: TNotifyEvent ...; //鼠标进入时
property OnMouseLeave: TNotifyEvent ...; //鼠标离开时
property OnPainting: TOnPaintEvent ...; //重绘开始时
property OnPaint: TOnPaintEvent ...; //重绘时
property OnResize: TNotifyEvent ...; //调整大小时
property OnGesture: TNotifyEvent ...; //用于识别手势
property OnEdititingDone: TOnEdititingDone ...; //输入时
