choose
open fun choose(parent: <Error class: unknown class>? = null, cancellable: <Error class: unknown class>? = null, callback: <Error class: unknown class>)
This function shows @self to the user.
If the window is an class@Window or class@ApplicationWindow, the dialog will be shown within it. Otherwise, it will be a separate window.
Since
1.5
Parameters
parent
the parent widget
cancellable
a GCancellable to cancel the operation
callback
a callback to call when the operation is complete