chooseRgba
open fun chooseRgba( parent: Window? = null, initialColor: <Error class: unknown class>? = null, cancellable: <Error class: unknown class>? = null, callback: <Error class: unknown class>?)(source)
This function initiates a color choice operation by presenting a color chooser dialog to the user.
Since
4.10
Parameters
parent
the parent GtkWindow
initialColor
the color to select initially
cancellable
a GCancellable to cancel the operation
callback
a callback to call when the operation is complete