CGDisplayIsInHWMirrorSet(_:)
Returns a Boolean value indicating whether a display is in a hardware mirroring set.
Declaration
func CGDisplayIsInHWMirrorSet(_ display: CGDirectDisplayID) -> boolean_tParameters
- display:
The identifier of the display to be accessed.
Return Value
If true, the specified display is a member of a hardware mirroring set; otherwise, false.
Discussion
When hardware mirroring is enabled, the contents of a single framebuffer are rendered in all displays in the hardware mirroring set. All drawing operations are directed to the primary display in the set—see CGDisplayPrimaryDisplay(_:).
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()