//建立按钮上标签的字符串 label = XmStringCreateSimple["Hello World!"] n = 0 XtSetArg[args[n], XmNlab
//建立按钮上标签的字符串 label = XmStringCreateSimple["Hello World!"] n = 0 XtSetArg[args[n], XmNlab...
//建立按钮上标签的字符串 label = XmStringCreateSimple["Hello World!"] n = 0 XtSetArg[args[n], XmNlab...
//建立顶级窗口 toplevel = XtVaAppInitialize[&app, "List", NULL, 0, &argc, argv, NULL, NULL] /...