progress-hierarchy

ConsoleProgressBar

Provides a .NET console progress bar that supports absolute reporting and a separate library for hierarchical progress reporting.

Usage

using (var pb = new ProgressBar())
{
    using (var p1 = pb.HierarchicalProgress.Fork(0.5))
    {
        // do stuff
    }
    
    using (var p2 = pb.HierarchicalProgress.Fork(0.5))
    {
        // do stuff
    }
}

ProgressHierarchy

The ProgressHierarchy package can be used without the progress bar.

The HierarchicalProgress class implements System.IProgress<double>. It’s thread-safe and lock-free. It is, however, not asynchronous. The ProgressChanged event handlers will be called synchronously by the thread currently reporting its progress. Event handlers must be fast. They must take care of continuing on the correct thread if required.

The HierarchicalProgress class was renamed to not conflict with the System.Progress<T> class.

Usage

using (var p = new HierarchicalProgress())
{
    p.ProgressChanged += OnProgressChanged;
    
    using (var p1 = p.Fork(0.5, "Long-running task A"))
    {
        for (var i = 0; i < 10; i++)
        {
            using (p1.Fork(0.1, $"Item {i}"))
            {
                // do stuff
            }
        }
    }
    
    using (var p2 = p.Fork(0.5, "Long-running task B"))
    {
        for (var i = 0; i < 10; i++)
        {
            p2.Report(i/10, $"Item {i}");
            
            // do stuff
        }
    }
}

Compatibility

The library compiles to .NET Standard 1.3 and .NET 4.5. It is not compatible with .NET 4 because it depends on the Interlocked class.

License

This project is licensed under the MIT License.