Property Toplevel
Toplevel
Gets or sets the Toplevel that this Popover is associated with. If null, it is not associated with any Toplevel and will receive all keyboard events from the Application. If set, it will only receive keyboard events the Toplevel would normally receive. When Register(IPopover?) is called, the Toplevel is set to the current Top if not already set.
Toplevel? Toplevel { get; set; }