Backing Store Types Specifies how the window device buffers drawing commands. TopicsConstantsCGWindowBackingType.backingStoreRetainedCGWindowBackingType.backingStoreNonretainedCGWindowBackingType.backingStoreBuffered See AlsoConstantsWindow Sharing ConstantsWindow List Option ConstantsWindow Image TypesCGWindowID Encoding TypeNull WindowWindow Sharing Encoding TypeWindow Backing Encoding TypeRequired Window List KeysOptional Window List Keys