Instance Property


A set of flags that indicate how the button highlights when it receives a mouse-down event (that is, when the button is pressed).


var highlightsBy: NSCell.StyleMask { get set }


The value of this property is the logical OR of one or more of flags described in the "Constants” section of NSCell.

If both NSChangeGrayCellMask and NSChangeBackgroundCellMask are specified, both are recorded, but the resulting behavior depends on the button cell’s image. If the button has no image, or if the image has no alpha (transparency) data, NSChangeGrayCellMask is used; if the image has alpha data, NSChangeBackgroundCellMask is used. This arrangement allows the color swap of the background to show through the image’s transparent pixels.

See Also

Displaying the Cell

func setButtonType(NSButton.ButtonType)

Sets how the button highlights while pressed and how it shows its state.

var showsStateBy: NSCell.StyleMask

The flags that indicate how the button cell shows its alternate state.