[CCode (cheader_filename = "DinoWinToastLib.h")] namespace DinoWinToast { [CCode (cname = "dinoWinToastLibNotificationCallback", has_target = true)] public delegate void NotificationCallback(int conv_id); [CCode (cname = "dinoWinToastLibInit")] public int Init(); [CCode (cname = "dinoWinToastLibShowMessage")] public int ShowMessage(DinoWinToastTemplate templ, int conv_id, NotificationCallback callback); }