VB.Net判断目录或文件是否存在的方法

乐博网系列初学者实例 VB.Net判断目录或文件是否存在的方法

Imports System.IO

Public Class Form1

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

If Boo_DirExist("C:\Lob.cn\") Then

MsgBox("存在C:\Lob.cn\目录")

Else

MsgBox("不存在C:\Lob.cn\目录")

End If

If Boo_FileExist("C:\Lob.txt") Then

MsgBox("存在C:\Lob.txt文件")

Else

MsgBox("不存在C:\Lob.txt文件")

End If

End Sub

'判断目录是否存在的函数 传入String值 返回Boolean值

Private Function Boo_DirExist(ByVal Str_Path As String) As Boolean

Boo_DirExist = System.IO.Directory.Exists(Str_Path)

End Function

'判断文件是否存在的函数 传入String值 返回Boolean值

Private Function Boo_FileExist(ByVal Str_File As String) As Boolean

Boo_FileExist = System.IO.File.Exists(Str_File)

End Function

End Class