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当前,Tree在鼠标单击(向上和向下)时发生项目选择。是否可以在鼠标按下时进行?
Tree
我尝试通过自定义扩展来实现它,但没有成功:鼠标按下拦截器对事件发生的实际树项一无所知,因此它无法触发tree#select特定条目上的方法。还有其他方法吗?
tree#select