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