protected virtual void OnFormatUSBProgress(FormatUSBProgressEventArgs e)
{
EventHandler <FormatUSBProgressEventArgs> handler = FormatUSBProgress;
if (handler != null)
{
handler(this, e);
}
}
public bool FormatUSB(string driveLetter, string fileSystem = "FAT", bool quickFormat = true, int clusterSize = 2048, string label = "", bool enableCompression = false)
{
//add logic to format Usb drive
//verify conditions for the letter format: driveLetter[0] must be letter. driveLetter[1] must be ":" and all the characters mustn't be more than 2
if (driveLetter.Length != 2 || driveLetter[1] != ':' || !char.IsLetter(driveLetter[0]))
{
return(false);
}
/*
* DirectoryInfo di = new DirectoryInfo(driveLetter);
* foreach (FileInfo file in di.EnumerateFiles())
* {
* try {
* file.Delete();
* }
* catch (UnauthorizedAccessException e)
* {
* if (e.Source != null)
* {
* Debug.WriteLine("UnauthorizedAccessException:" + e.Message);
* throw;
* }
*
* }
* catch (IOException e)
* {
* if (e.Source != null)
* {
* Debug.WriteLine("IOExeption: " + e.Message);
* throw;
* }
* }
* }
* foreach (DirectoryInfo dir in di.EnumerateDirectories())
* {
* try
* {
* dir.Delete(true);
* }
* catch (UnauthorizedAccessException e)
* {
* if (e.Source != null)
* {
* Debug.WriteLine("UnauthorizedAccessException:" + e.Message);
* throw;
* }
* }
* catch (IOException e)
* {
* if (e.Source != null)
* {
* Debug.WriteLine("IOExeption: " + e.Message);
* if (e.HResult != -2147023504)
* {
* throw;
* }
*
* }
* }
* }
*/
ManagementObjectSearcher searcher = new ManagementObjectSearcher(@"select * from Win32_Volume WHERE DriveLetter = '" + driveLetter + "'");
foreach (ManagementObject vi in searcher.Get())
{
try
{
var completed = false;
var watcher = new ManagementOperationObserver();
watcher.Completed += (sender, args) =>
{
Debug.WriteLine("USB format completed " + args.Status);
completed = true;
OnFormatUSBCompleted(EventArgs.Empty);
};
watcher.Progress += (sender, args) =>
{
Debug.WriteLine("USB format in progress " + args.Current);
FormatUSBProgressEventArgs eventArgs = new FormatUSBProgressEventArgs();
eventArgs.current = args.Current;
OnFormatUSBProgress(eventArgs);
};
vi.InvokeMethod(watcher, "Format", new object[] { fileSystem, quickFormat, clusterSize, label, enableCompression });
while (!completed)
{
System.Threading.Thread.Sleep(1000);
}
}
catch (Exception e)
{
if (e.Source != null)
{
Debug.WriteLine(e.Message);
throw;
}
}
}
return(true);
}
