Ionic.Utils.Zip.ZipFile-未定义

问题描述

大家好，
首先，我要感谢pimb2提出了一种自动更新应用程序的方法....
我正在尝试执行将自动将新编译的应用程序的文件复制到旧版本的操作...



但是我的问题是我得到的错误类型"Ionic.Utils.Zip.ZipFile"未定义


你能帮我吗?......?

下面给出的是我的代码.....

hi guys ,
First of all let me thank pimb2 for putting forth a method for auto update of applications.......
i was trying to do the same which automatically copy the files of the newly compiled application to the old version......



but my problem is i am getting the error Type ''Ionic.Utils.Zip.ZipFile'' is not defined


can u help me guys.......?

Given below is my code .....

Public Function CheckForUpdates(ByVal Location As String)
        Dim temppath = IIf(Environ$("tmp") <> "", Environ$("tmp"), Environ$("temp")) 'Get temp path

        Dim rand = Int((10000 - 1 + 1) * Rnd()) + 1 'Generate random number to have an unique filename

        Dim dldname = Path.GetFileName("N:\Deployment\PYRAMID") 'Get filename of file to be downloaded

        DownloadFileWithProgress("N:\Deployment\PYRAMID", temppath.ToString + "\" + rand.ToString + dldname) 'Download the file

        Dim a = New Ionic.Utils.Zip.ZipFile(temppath.ToString + "\" + rand.ToString + dldname) 'Create new var with zip file
        For Each zipfile As Ionic.Utils.Zip.ZipEntry In a 'for each loop for every file in zip
            If My.Computer.FileSystem.FileExists(vars_unzipdir + "\" + zipfile.PYRAMID) Then 'If this file already exist, delete it
                My.Computer.FileSystem.DeleteFile(vars_unzipdir + "\" + zipfile.PYRAMID)
            End If
            zipfile.Extract(vars_unzipdir) 'Extract this file
        Next
        Return Nothing
    End Function

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