The support for reacting to mouse wheel events.

支持响应鼠标滚轮事件。

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You can zoom in or out of a diagram by pressing the Ctrl key while moving the mouse wheel.

您可以在移动鼠标滚轮的同时，通过按ctrl键来放大或者缩小图表。

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Documentation states that mouse wheel events propagate up the container hierarchy, but the bug prevents this from happening so you'll need to attach the listener to the button.

文档声明鼠标滚轮事件向上传递容器层次结构，但错误导致这件事无法发生，所以您需要为按钮增加一个侦听器。

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The main control surface is wide enough, in fact, that we could comfortably put three fingers on the top of the mouse, using the middle to control the mouse wheel and DPI sensitivity adjustment rocker (a nice touch in and of itself) without ever moving our index and ring finger from the all-important trigger buttons.

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The "Blister in the Sun" Award for best packaging to highlght an innovative product goes to the Microsoft Wireless Notebook Presenter Mouse 8000 , itself an award-worthy mashup of tilt-wheel notebook mouse, presentation remote and laser pointer.

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While the Mobile Mouse has just the Start key and a scroll wheel, though, the bigger Comfort Mouse takes things a step further: the button there doubles as a capacitive surface you can swipe to toggle through open programs in Windows 8.

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