Function is a built - in procedure that performs the action of displaying a dialog box 函數(shù)就是一個內(nèi)置過程,此過程執(zhí)行顯示對話框的操作。
While visual basic has many built - in procedures for performing common actions , there will always be cases when you want your program to perform an action that a built - in procedure can t handle 雖然visual basic有很多內(nèi)置過程可用來執(zhí)行常見操作,但總會存在一些情況,您希望程序執(zhí)行內(nèi)置過程無法處理的操作。