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BITS-COM-File-Downloader

Description

This project is a C++ application that demonstrates how to download files using the Background Intelligent Transfer Service (BITS) via the Component Object Model (COM). The program allows downloading a file from a specified URL and saves it to a local path using background file transfer mechanisms that continue even if the application is closed, as managed by BITS.

Key Features

  • Background File Transfers: Uses BITS to download files in the background with low network impact.
  • COM Interface Usage: Leverages COM (IBackgroundCopyManager, IBackgroundCopyJob) to manage file download jobs.
  • Unicode Support: Supports wide-character (Unicode) file paths and URLs.
  • Error Handling: Retrieves and prints detailed error descriptions if the download fails.

How to Build

  1. Open the project in Visual Studio.
  2. Build the solution to compile the application.

How to Run

After building the project, run the compiled executable from the command line using the following format:

BITSCOMClient.exe <source_url> <destination_path>