如何正确计算文件夹中的文件数 [英] How to correctly count the number of files in a folder

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问题描述

我创建一个文件夹列表,其中每个文件夹只需要几个属性,所以我使用下面的类。但是,无论文件夹是什么, FilesInFolder 属性总是比文件夹中的实际文件数多5个。

I am making a list of folders, where each folder needs only a few properties, so I'm using the Class below. However, no matter the folder, the FilesInFolder property is alway 5 more than the actual number of files in the folder.

有人可以帮助我找出什么是错的吗?感谢。

Can someone please help me find out what is wrong? Thanks.

Public Class Single_Action_Folder

    Public ReadOnly FullName As String = ""
    Public ReadOnly Name As String = ""
    Public ReadOnly FilesInFolder As Integer = 0
    Public ReadOnly Exists As Boolean = False

    '**
    ' Constructor
    '*
    Public Sub New(Optional dir As DirectoryInfo = Nothing)

        ' First check that a directory has been specified
        If dir Is Nothing Then Exit Sub

        ' Populate the class properties
        FullName = dir.FullName
        Name = dir.Name
        FilesInFolder = dir.GetFiles().Count
        Exists = dir.Exists

    End Sub

End Class


推荐答案

所以这里的问题是 FilesInFolder = dir.GetFiles()。计数计数隐藏文件。即使我设置了Windows文件夹选项来显示隐藏的文件/文件夹,他们没有显示,因为他们是像相册艺术。以下行排序我的问题。

So the issue here is that FilesInFolder = dir.GetFiles().Count was counting hidden files. Even though I've set Windows folder options to show hidden files/folders, they were not shown as they were things like album art. The following line sorted my issue.

FilesInFolder = Directory.GetFiles(FullName, "*.mp3").Count

我想知道,如果有一种方法来计算多个文件类型?例如MP3和WMA?如果有人知道,我会征求意见。

I am wondering though, if there is a way to count more than one file type? I.e MP3 and WMA? If anyone happens to know, I'd apprciate a comment.

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