CGDisplayMirrorsDisplay(_:)

Declaration

func CGDisplayMirrorsDisplay(_ display: CGDirectDisplayID) -> CGDirectDisplayID

Parameters

• display:

  The identifier of a secondary display in a mirroring set.

Return Value

Returns the primary display in the mirroring set. Returns kCGNullDirectDisplay if the specified display is actually the primary display or is not in a mirroring set.

Discussion

For more information about display mirroring, see CGConfigureDisplayMirrorOfDisplay(_:_:_:).

See Also

Functions

• CGAcquireDisplayFadeReservation(_:_:)
• CGAssociateMouseAndMouseCursorPosition(_:)
• CGBeginDisplayConfiguration(_:)
• CGCancelDisplayConfiguration(_:)
• CGCaptureAllDisplays()
• CGCaptureAllDisplaysWithOptions(_:)
• CGCompleteDisplayConfiguration(_:_:)
• CGConfigureDisplayFadeEffect(_:_:_:_:_:_:)
• CGConfigureDisplayMirrorOfDisplay(_:_:_:)
• CGConfigureDisplayMode(_:_:_:)
• CGConfigureDisplayOrigin(_:_:_:_:)
• CGConfigureDisplayStereoOperation(_:_:_:_:)
• CGConfigureDisplayWithDisplayMode(_:_:_:_:)
• CGCursorIsDrawnInFramebuffer()
• CGCursorIsVisible()