vb.net 获取指定文件名,该如何解决

vb.net 获取指定文件名
这是我的代码
Dim fil As System.IO.FileInfo()
Dim ins As System.IO.DirectoryInfo = New System.IO.DirectoryInfo("C:\Users\LINYONGLONG\Desktop\New folder")
fil = ins.GetFiles("*1.*")
Dim b As Integer
b = fil.Length

For i = 0 To b - 1
ListBox2.Items.Add(fil(i))
Next
MsgBox(ListBox2.Items(2))

为什么fil（i) 的值无法转为string 即使用listbox转了也不行？我想获得指定文件的文件名，然后对其进行重命名。求大神相助。

------解决方案--------------------

VB.NET code

        Dim fil As System.IO.FileInfo()
        Dim ins As System.IO.DirectoryInfo = New System.IO.DirectoryInfo("C:\Users\LINYONGLONG\Desktop\New folder")
        fil = ins.GetFiles("*1.*")
        Dim b As Integer
        b = fil.Length

        For i = 0 To b - 1
            Dim fileName As String
            Dim fileFullName As String
            fileName = fil(i).Name
            fileFullName = fil(i).FullName
            ListBox2.Items.Add(fileName)
        Next
        MsgBox(ListBox2.Items(2))

vb.net 获取指定文件名,该如何解决

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