public static IntPtr gtk_app_chooser_dialog_new(IntPtr parrent, int flags, IntPtr file) { if (EtoEnvironment.Platform.IsLinux) { return(NMLinux.gtk_app_chooser_dialog_new(parrent, flags, file)); } else if (EtoEnvironment.Platform.IsMac) { return(NMMac.gtk_app_chooser_dialog_new(parrent, flags, file)); } else { return(NMWindows.gtk_app_chooser_dialog_new(parrent, flags, file)); } }