CGDisplayIsAlwaysInMirrorSet(_:)
Returns a Boolean value indicating whether a display is always in a mirroring set.
Declaration
func CGDisplayIsAlwaysInMirrorSet(_ display: CGDirectDisplayID) -> boolean_tParameters
- display:
The identifier of the display to be accessed.
Return Value
If true, the specified display is in a mirroring set and cannot be removed from this set.
Discussion
Some hardware configurations support the connection of auxiliary displays that always mirror the main display and therefore cannot be removed from the mirroring set to which they belong.
See Also
Functions
CGAcquireDisplayFadeReservation(_:_:)CGAssociateMouseAndMouseCursorPosition(_:)CGBeginDisplayConfiguration(_:)CGCancelDisplayConfiguration(_:)CGCaptureAllDisplays()CGCaptureAllDisplaysWithOptions(_:)CGCompleteDisplayConfiguration(_:_:)CGConfigureDisplayFadeEffect(_:_:_:_:_:_:)CGConfigureDisplayMirrorOfDisplay(_:_:_:)CGConfigureDisplayMode(_:_:_:)CGConfigureDisplayOrigin(_:_:_:_:)CGConfigureDisplayStereoOperation(_:_:_:_:)CGConfigureDisplayWithDisplayMode(_:_:_:_:)CGCursorIsDrawnInFramebuffer()CGCursorIsVisible()