private async void btnWipe_Click(object sender, EventArgs e)
{
DiskDrive dd = (DiskDrive)lstDiskDrive.SelectedItem;
if (dd == null)
{
MessageBox.Show("Choose valid SD drive first.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (MessageBox.Show("All data on SD card will be erased and partitions deleted. Are you sure?", "Warning",
MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == System.Windows.Forms.DialogResult.No)
{
return;
}
Operation = "Wiping";
if (!TryLockVolumes(dd))
{
return;
}
SetButtons(false);
using (Stream source = new ConstantStream(0xff), dest = dd.CreateStream(FileAccess.Write))
{
var mbr = Properties.Resources.MBR;
dest.Write(mbr, 0, mbr.Length);
progress.Value = 0;
progress.Maximum = (int)(((long)dd.GetDriveSize() - mbr.Length) / (1024 * 1024)) + 1;
cts = new CancellationTokenSource();
try
{
await CopyStreamAsync(source, dest, (long)dd.GetDriveSize() - mbr.Length, cts.Token, null);
}
catch (Exception ex)
{
if (!(ex is OperationCanceledException))
{
MessageBox.Show(ex.Message, "Exception", MessageBoxButtons.OK);
}
cts.Cancel();
}
}
dd.DismountVolumes();
dd.UnlockVolumes();
dd.MountVolumes();
ResetProgress();
FillDriveList();
if (!cts.IsCancellationRequested)
{
MessageBox.Show("Erasing complete.", "Complete", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
SetButtons(true);
cts = null;
}
private async void btnRead_Click(object sender, EventArgs e)
{
DiskDrive dd = (DiskDrive)lstDiskDrive.SelectedItem;
if (!CheckFilename(txtFilename.Text, dd, true))
{
txtFilename.Focus();
return;
}
var filename = Path.GetFullPath(txtFilename.Text);
Operation = "Reading";
if (!TryLockVolumes(dd))
{
return;
}
SetButtons(false);
using (Stream dest = new FileStream(txtFilename.Text, FileMode.Create, FileAccess.Write, FileShare.None),
source = dd.CreateStream(FileAccess.Read))
{
progress.Maximum = (int)(dd.GetDriveSize() / (1024 * 1024)) + 1;
progress.Value = 0;
cts = new CancellationTokenSource();
try
{
await CopyStreamAsync(source, dest, (long)dd.GetDriveSize(), cts.Token, null);
}
catch (Exception ex)
{
if (!(ex is OperationCanceledException))
{
MessageBox.Show(ex.Message, "Exception", MessageBoxButtons.OK);
}
cts.Cancel();
}
}
dd.UnlockVolumes();
if (!cts.IsCancellationRequested)
{
MessageBox.Show("Reading complete.", "Complete", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
ResetProgress();
SetButtons(true);
cts = null;
}
private async void btnFormat_Click(object sender, EventArgs e)
{
DiskDrive dd = (DiskDrive)lstDiskDrive.SelectedItem;
if (dd == null)
{
MessageBox.Show("Choose valid SD drive first.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (MessageBox.Show("All data on SD card will be lost during format. Are you sure?", "Warning",
MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == System.Windows.Forms.DialogResult.No)
{
return;
}
SetButtons(false);
//if (dd.Volumes.Count() == 0)
{
var handle = dd.CreateHandle(FileAccess.ReadWrite);
var x = IOWrapper.DiskGetDriveLayoutEx(handle);
IOWrapper.DiskCreateDiskMBR(handle, 0xa5a5a5);
IOWrapper.DiskUpdateProperties(handle);
x = IOWrapper.DiskGetDriveLayoutEx(handle);
x.PartitionEntry[0].PartitionNumber = 1;
x.PartitionEntry[0].StartingOffset = 4 * 512;
x.PartitionEntry[0].PartitionLength = (long)dd.GetDriveSize() - x.PartitionEntry[0].StartingOffset;
x.PartitionEntry[0].RewritePartition = true;
x.PartitionEntry[0].Mbr.PartitionType = (byte)IOWrapper.Partition.FAT32;
IOWrapper.DiskSetDriveLayoutEx(handle, x);
IOWrapper.DiskUpdateProperties(handle);
x = IOWrapper.DiskGetDriveLayoutEx(handle);
//IOWrapper.StorageLoadMedia(handle);
handle.Close();
var driveID = dd.ID;
WmiInfo.LoadDiskInfo();
dd = dd.CreationContext.DiskDrives.FirstOrDefault(z => z.ID == driveID);
}
this.Text += " (Formatting)";
lblSpeed.Text = "Windows is formatting the drive...";
cts = new CancellationTokenSource();
progress.Value = 0;
progress.Maximum = 100;
//await Task.Run(() => dd.Format(ProgressHandler, cts.Token));
try
{
var vol = dd.Volumes.FirstOrDefault();
if (vol != null)
{
vol.Mount();
await Task.Run(() => dd.Volumes.First().Format("FAT32", true), cts.Token);
}
}
catch (Exception ex)
{
if (!(ex is OperationCanceledException))
{
MessageBox.Show(ex.Message, "Exception", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
cts.Cancel();
}
ResetProgress();
FillDriveList();
if (!cts.IsCancellationRequested)
{
MessageBox.Show("Formatting complete.", "Complete", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
cts = null;
}