vb.net 路徑是否有存在 [DirectoryExists]

    Dim logDirectoryProperties As System.IO.DirectoryInfo
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If My.Computer.FileSystem.DirectoryExists(TextBox1.Text) Then
            MsgBox("有效路徑")
        Else
            MsgBox("無效路徑")
        End If
    End Sub