.NET (Core and Framework)

<br />
    public static class Utility<br />
    {<br />
        public static int GetSize(DirectoryInfo dir)<br />
        {<br />
            int size = 0;<br />
            foreach (FileInfo f in dir.GetFiles())<br />
            {<br />
                size += (int)f.Length;<br />
            }<br />
            foreach (DirectoryInfo d in dir.GetDirectories())<br />
            {<br />
                size += GetSize(d);<br />
            }<br />
            return size;<br />
        }<br />
    }<br />

<br />
//handler for BackgroundWorker doing the scraping<br />
void RunAsyncScrape(object sender, DoWorkEventArgs e)<br />
{<br />
    DirectoryInfo[] studies;<br />
    //attempt to search the directory<br />
    try<br />
    {<br />
        studies = new DirectoryInfo(targetdir).GetDirectories();<br />
    }<br />
    catch (Exception ex)<br />
    {<br />
        MessageBox.Show("Could not scrape the target directory\nReason: " + ex.Message, "File Scraping Error");<br />
    }<br />
<br />
    //if subdirectories are found, get the filepaths for all directories that<br />
    //have are fully copied and return them in an arraylist.<br />
    if (studies.Length > 0)<br />
    {<br />
        ArrayList orders = new ArrayList();<br />
        foreach (DirectoryInfo dir in studies)<br />
        {<br />
            int size = Utility.GetSize(dir);<br />
            Thread.Sleep(1000);<br />
            int sizeb = Utility.GetSize(dir);<br />
            if (size == sizeb)<br />
            {<br />
                //study is completely copied, move for processing<br />
		orders.Add(dir)<br />
            }<br />
        }<br />
        if (orders.Count > 0)<br />
            e.Result = orders;<br />
    }<br />
}<br />