dnf登录界面的音乐:在VB上编译错误:参数不可选
来源:百度文库 编辑:神马品牌网 时间:2024/05/06 11:47:44
Private Sub Command1_Click()
Downloads txURL.Text
End Sub
Private Sub Downloads(ByVal URLName As String, ByVal StoreFile As String)
.....
End Sub
Downloads txURL.Text
End Sub
Private Sub Downloads(ByVal URLName As String, ByVal StoreFile As String)
.....
End Sub
少了一个参数,如果要想让StoreFile 可选的话,需要将它定义为Optional才可以,如:
Private Sub Downloads(ByVal URLName As String, Optional ByVal StoreFile As String)
.....
End Sub
这样就可以省掉第二个参数了。