ApplicationDeployment.DownloadFileGroupProgressChanged Event
Occurs when status information is available on a file download operation initiated by a call to DownloadFileGroupAsync.
Assembly: System.Deployment (in System.Deployment.dll)
The DownloadFileGroupProgressChanged event is called on the main application thread. It is thread safe to call your application's Windows Forms controls directly within this callback.
Use the information supplied in DeploymentProgressChangedEventArgs to communicate progress information to your users.
The following code example downloads a group of Help files in the background. The example requires that you deploy a Windows Forms application that includes a StatusStrip control, and that this control contain a ToolStripStatusLabel control named downloadStatus.
Dim WithEvents ADDownloadHelpFiles As ApplicationDeployment Private Sub DownloadHelpFiles(ByVal GroupName As String) If (ApplicationDeployment.IsNetworkDeployed) Then ADDownloadHelpFiles = ApplicationDeployment.CurrentDeployment If ADDownloadHelpFiles.IsFirstRun Then Try If Not ADDownloadHelpFiles.IsFileGroupDownloaded(GroupName) Then ADDownloadHelpFiles.DownloadFileGroupAsync(GroupName) End If Catch ioe As InvalidOperationException MessageBox.Show("This application is not a ClickOnce application.") Return End Try End If End If End Sub Private Sub ADDownloadHelpFiles_DownloadFileGroupProgressChanged(ByVal sender As Object, ByVal e As DeploymentProgressChangedEventArgs) Handles ADDownloadHelpFiles.DownloadFileGroupProgressChanged DownloadStatus.Text = String.Format("Downloading file group {0}; {1:D}K of {2:D}K completed.", e.Group, e.BytesCompleted / 1024, e.BytesTotal / 1024) End Sub Private Sub ADDownloadHelpFiles_DownloadFileGroupCompleted(ByVal sender As Object, ByVal e As DownloadFileGroupCompletedEventArgs) Handles ADDownloadHelpFiles.DownloadFileGroupCompleted DownloadStatus.Text = String.Format("Download of file group {0} complete.", e.Group) End Sub
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.