VB.NET DeploymentDownloadException类代码示例

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本文整理汇总了VB.NET中System.Deployment.Application.DeploymentDownloadException类的典型用法代码示例。如果您正苦于以下问题：VB.NET DeploymentDownloadException类的具体用法？VB.NET DeploymentDownloadException怎么用？VB.NET DeploymentDownloadException使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了DeploymentDownloadException类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。

示例1: InstallUpdateSync

Private Sub InstallUpdateSync()
    If (ApplicationDeployment.IsNetworkDeployed) Then
        Dim updateAvailable As Boolean = False
        Dim AD As ApplicationDeployment = ApplicationDeployment.CurrentDeployment

        Try
            updateAvailable = AD.CheckForUpdate()
        Catch dde As DeploymentDownloadException
            ' This exception occurs if a network error or disk error occurs
            ' when downloading the deployment.
            MessageBox.Show("The application cannot check for the existence of a new version at this time. " & ControlChars.Lf & ControlChars.Lf & "Please check your network connection, or try again later. Message: " & dde.Message)
            Exit Sub
        Catch ide As InvalidDeploymentException
            MessageBox.Show("The application cannot check for an update. The ClickOnce deployment is corrupt. Please redeploy the application and try again. Message: " & ide.Message)
            Exit Sub
        Catch ioe As InvalidOperationException
            MessageBox.Show("The application cannot check for an update. This most likely happened because the application is already updating. Message: " & ioe.Message)
            Exit Sub
        End Try

        If (updateAvailable) Then
            Try
                AD.Update()
                MessageBox.Show("The application has been upgraded, and will now restart.")
                Application.Restart()
            Catch dde As DeploymentDownloadException
                MessageBox.Show("Cannot install the latest version of the application. " + ControlChars.Lf + ControlChars.Lf + "Please check your network connection, or try again later.")
            End Try
        End If
    End If
End Sub

开发者ID:VB.NET开发者，项目名称:System.Deployment.Application，代码行数:31，代码来源:DeploymentDownloadException

注：本文中的System.Deployment.Application.DeploymentDownloadException类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。