Reference Manual - 1.0.1
IDirectFB   EnumScreens

Enumerate all existing screen.枚举所有存在的屏幕

EnumScreens (
	IDirectFB		*	thiz,
	DFBScreenCallback			callback,
	void		*	callbackdata
);

Calls the given callback for each available screen. The callback is passed the screen id that can be used to retrieve an interface to a specific screen using IDirectFB::GetScreen().

为每一个有效的屏幕调用回调函数。回调函数传递屏幕的ID,可以被 IDirectFB::GetScreen().使用取得指定屏幕的接口

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