Reference Manual - 1.0.1
IDirectFB   EnumInputDevices

Enumerate all existing input devices.枚举所存在的输入设备

EnumInputDevices (
	IDirectFB		*	thiz,
	DFBInputDeviceCallback			callback,
	void		*	callbackdata
);

Calls the given callback for all available input devices. The callback is passed the device id that can be used to retrieve an interface on a specific device using IDirectFB::GetInputDevice().

为所有有效的输入设备调用回调函数，这个回调函数传递了设备的ID，可以调用 IDirectFB::GetInputDevice().获得指定设备的接口。

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