HWND h;
   SaveDialog1->Title="请选择备份数据库的路径";
   h=FindWindow('Dialog',"请选择备份数据库的路径");
   h=FindWindowEx(h,0,"Button","保存(&S)");
   SetWindowText(h,"备份(&B)");
   //SendMessage(h,WM_SETTEXT,0,"备份(&B)");好象这条语句也能实现,但我不知道怎么求"备份(&B)"的地址。