在time控件的事件中写如下代码:void __fastcall TForm1::tmr1Timer(TObject *Sender){ static int i=0; int count = lst1->Items->Count; if(count) pnl1->Caption = lst1->Items->Strings[i++ % count] ;} //注:pnl1是TPanel控件对象;lst1是TListBox控件对象;tmr1是控件TTimer对象