RS天使在此 202开发者_高级运维1-08-14 08:58 跟粉刺差不多，挤开里边有浓，还很疼，我老是长这个，没事，过几天就没有了，你皮肤也不好呀性格分裂患者
I am wondering if there is a way to do this using Core Animation. Specifically, I am adding a sub-layer to a layer-backed custom NSView and setting its delegate to another custom NSView. That class\'s
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