ColorButton.useAlpha

Set useAlpha property.

  1. bool useAlpha [@property getter]
  2. bool useAlpha [@property setter]
    class ColorButton
    @property
    void
    useAlpha
    (
    bool propval
    )

Parameters

propval bool

If this property is set to true, the color swatch on the button is rendered against a checkerboard background to show its opacity and the opacity slider is displayed in the color selection dialog.