This will place the component in the non-visual component area at the bottom of the WinForms designer.

这会将这个组件放到 WinForms designer 底部的不可见组件区域中。

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Describes the differences between client component types, and shows how to create custom non-visual client components.

描述各个客户端组件类型之间的差异，并演示如何创建自定义的非可视客户端组件。

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It utilizes a phone's digital compass, and read out the direction the user is facing, something that is apparently very important when navigating through public transport, while the audio component opens up Google Map features in a non-visual way.

ENGADGET: Georgie app offers up Android features and voice-guided menus for the blind: we go hands-on (video)