• Creating Layer Objects

• Drawing Layer Content

• Retaining and Releasing Layers

• Getting the CFType ID for a Layer

• Getting Layer Information

• CGContextDrawLayerAtPoint

• CGContextDrawLayerInRect

• CGLayerCreateWithContext

• CGLayerGetContext

• CGLayerGetSize

• CGLayerGetTypeID

• CGLayerRelease

• CGLayerRetain

• CGLayerRef