自己写的文件操作的function和Sub vb.net dll-巨人网络通讯

'原来用VB写的封装成dll供asp使用，后来升级到vb.net
'这个是我以前写的电影站影片处理的一部份，程序挺简单的，没怎么注释，大家对付看
'program by someeyes
'需要声明Imports System.IO命名空间

    Public Function myFileExists(ByVal pathName As String) As String '检查文件是否存在
        If File.Exists(pathName) = False Then
            myFileExists = "font color=""Red"">文件丢失/font>"
        Else
            myFileExists = "font color=""#0066ff"">文件存在/font>"
        End If
    End Function

    Private sub myCreatDirectory(ByVal pathName As String) '创建文件夹
        Try
            If Directory.Exists(pathName) = False Then
                Directory.CreateDirectory(pathName)
            End If
        Catch e As Exception
            myErrMsg = myErrMsg  "创建"  pathName  "文件夹的时候出现一个意外的错误."
            myErrMsg = myErrMsg  e.ToString
            HttpContext.Current.Response.Write("程序遇到一个意外的错误,详细情况请查看日志文件!br>")
        End Try

    End Sub

    Private Sub myDelDirectory(ByVal pathName As String) '删除文件夹

        Try
            If Directory.Exists(pathName) = True Then
                Directory.Delete(pathName)
            End If
        Catch e As Exception
            myErrMsg = myErrMsg  "删除"  pathName  "文件夹的时候出现一个意外的错误."
            myErrMsg = myErrMsg  e.ToString
            HttpContext.Current.Response.Write("程序遇到一个意外的错误,详细情况请查看日志文件!br>")
        End Try

    End Sub

    Private Sub myMoveFile(ByVal pathName As String, ByVal target As String)  '移动文件夹
        Try
            File.Move(pathName, target)
        Catch e As Exception
            myErrMsg = myErrMsg  "从"  pathName  "移动文件到"  target  "的时候出现一个意外的错误."
            myErrMsg = myErrMsg  e.ToString
            HttpContext.Current.Response.Write("程序遇到一个意外的错误,详细情况请查看日志文件!br>")
        End Try
    End Sub

    Private Sub myCopyFile(ByVal fsource As String, ByVal fdestination As String)
        Try
            File.Copy(fsource, fdestination, False)
        Catch e As Exception
            myErrMsg = myErrMsg  "从"  fsource  "复制文件到"  fdestination  "的时候出现一个意外的错误."
            myErrMsg = myErrMsg  e.ToString
            HttpContext.Current.Response.Write("程序遇到一个意外的错误,详细情况请查看日志文件!br>")
        End Try
    End Sub

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