A dialog used for confirmation of actions. This window is similar to AcceptDialog, but pressing its Cancel button can have a different outcome from pressing the OK button. The order of the two buttons varies depending on the host OS.
To get cancel action, you can use:
The text displayed by the cancel button (see get_cancel_button()).
Returns the cancel button.
Warning: This is a required internal node, removing and freeing it may cause a crash. If you wish to hide it or any of its children, use their CanvasItem.visible property.