private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
string devid = (string)e.Argument;
string devnum = new String(devid.Where(Char.IsDigit).ToArray());
RawDisk disk = new RawDisk(DiskNumberType.PhysicalDisk, Convert.ToInt32(devnum), FileAccess.Read);
long diskReadLength = disk.SizeBytes;
long totalRead = 0;
int increment = (int)(((16f * 1024f * 1024f) / disk.SectorSize) * disk.SectorSize);
byte[] input = new byte[increment];
Stopwatch sw = new Stopwatch();
FileStream fs = new FileStream(textBox1.Text, FileMode.Create);
using (RawDiskStream diskFs = disk.CreateDiskStream())
{
sw.Start();
while (true)
{
if (backgroundWorker1.CancellationPending)
{
e.Cancel = true;
diskFs.Close();
fs.Close();
break;
}
int read = (int)Math.Min(increment, disk.SizeBytes - totalRead);
int actualRead = diskFs.Read(input, 0, read);
if (actualRead == 0)
{
diskFs.Close();
fs.Close();
if (totalRead == diskReadLength)
{
readCompleteOK = true;
}
else
{
readCompleteOK = false;
}
break;
}
totalRead += actualRead;
fs.Write(input, 0, input.Length);
imageState imst = new imageState();
imst.progress = fsToHuman(Convert.ToUInt64(totalRead)) + " / " + fsToHuman(Convert.ToUInt64(diskReadLength));
int perc = (int)(0.5f + ((100f * totalRead) / disk.SizeBytes));
//imst.disksize = disk.SizeBytes;
//imst.diskposition = totalRead;
imst.percent = perc.ToString() + "% complete";
imst.speed = Math.Round(((diskFs.Position / 1048576f) / sw.Elapsed.TotalSeconds), 2).ToString() + "MB/s";
backgroundWorker1.ReportProgress(perc, imst);
}
}
}
private void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
imageState imst = (imageState)e.UserState;
label2.Text = imst.progress;
//label5.Text = ((int)Math.Round((double)(100 * imst.diskposition) / imst.disksize)).ToString() + "% completed";
//progressBar1.Maximum = Convert.ToInt32(imst.disksize);
//progressBar1.Value = Convert.ToInt32(imst.diskposition);
label5.Text = imst.percent;
progressBar1.Value = e.ProgressPercentage;
label6.Text = imst.speed;
}
