分享程序员开发的那些事...
更新时间：2023-01-30 19:10:51
我想你想要的是：
I think what you want is like:
Dim PN As New ArrayList()
Dim splitElement as String() = Nothing
For Each element In file1array
splitElement = element.Split("."c, 1) ' you only want one anyway
PN.Add(splitElement(0))
Next
你必须分别将 Split 结果添加到 ArrayList 。