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  "title" : "Backing Store Types"
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# Backing Store Types

Specifies how the window device buffers drawing commands.

## Topics

### Constants

[`case backingStoreRetained`](/documentation/CoreGraphics/CGWindowBackingType/backingStoreRetained)

[`case backingStoreNonretained`](/documentation/CoreGraphics/CGWindowBackingType/backingStoreNonretained)

[`case backingStoreBuffered`](/documentation/CoreGraphics/CGWindowBackingType/backingStoreBuffered)



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