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单击数字步进器的值会不断增加,直到我们释放鼠标。每次单击时我需要一个值增量。如何在 Flex 4 数字步进器中实现这一点?
覆盖点击处理程序,手动处理事件以防万一你想覆盖整个点击行为..使用 event.preventDefault();