//建立顶级窗口 toplevel = XtVaAppInitialize[&app, "Scroll", NULL, 0, &argc, argv, NULL, NULL] //建立SpinBox n = 0 XtSetArg[args[n], XmNwidth, 400 ] n++ XtSetArg[args[n], XmNheight, 100 ] n++ //XtSetArg[args[n], XmNarrowLayout, XmARROWS_FLAT_END] n++ XtSetArg[args[n], XmNrepeatDelay, 0] n++ //XtSetArg[args[n], XmNarrowOrientation, XmHORIZONTAL] n++ spinbox = XmCreateSpinBox[toplevel, "SpinBox", args, n] XtManageChild[spinbox] XtAddCallback [spinbox, XmNvalueChangedCallback, [XtCallbackProc]ValueChanged, [XtPointer]NULL] XtAddCallback [spinbox, XmNmodifyVerifyCallback, [XtCallbackProc]ModifyVerify, [XtPointer]NULL]