BITS IE Plugin Sample

Summary

This sample demonstrates basic application use of BITS by providing an IE plugin to schedule a background download. The sample allows the user to monitor progress, perform basic operations such as cancel and finish, and even allows the user to resume the download after a logoff or a shutdown.

Key Concepts

• Basic connection with manager and job submission.
• Example presentation to user of job state.
• Job control such as suspend/resume/cancel/complete.
• Interface based callbacks for updating progress/state.
• Retrieving text messages for a BITS error code.

Installation

• Change the current directory to the binary output directory in the SDK.
• Run the "install.js" script.
• Restart IE for the changes to take effect.
• To uninstall run the "uninstall.js" script.

Basic Usage

Simple Download

• Open IE and right click on an anchor that points to a static HTTP file.
• Select the "Background Download As" option.
• Type in the destination file name at the prompt.
• Wait for job to finish. The sample will signal you when it is finished.

Demonstrating Reactivation On Logon

• Submit a download as described in the "Simple Download" section.
• While the sample is still downloading, logoff or exit windows.
• Log back on. The sample will restart.