private void removeAttachedDevicesClick(object sender, EventArgs e)
{
String id;
try
{
ManagementObjectSearcher theSearcher = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive WHERE InterfaceType='USB'");
foreach (ManagementObject currentObject in theSearcher.Get())
{
if (currentObject["PNPDeviceID"] != null)
{
id = currentObject["PNPDeviceID"].ToString();
}
else
{
MessageBox.Show("A USB device does not provide PNPDeviceID, skipping");
continue;
}
if (id.StartsWith("USBSTOR"))
{
int start = id.LastIndexOf("\\") + 1;
int lentgh = id.LastIndexOf("&") - start;
String uniqID = id.Substring(start, lentgh);
//MessageBox.Show("USB storage uniq id: " + uniqID);
try
{
MD5 md5 = MD5.Create();
byte[] md5buf = md5.ComputeHash(ASCIIEncoding.ASCII.GetBytes(uniqID));
String idHash = "";
foreach (byte b in md5buf)
{
idHash += b.ToString("X2");
//MessageBox.Show(idHash);
}
if (USBTable.Rows.Contains(idHash))
{
USBTable.Rows.Remove(USBTable.Rows.Find(idHash));
USBTable.AcceptChanges();
}
}
catch (Exception ex)
{
MessageBox.Show("RemoveAttachedDevicesClick error:" + ex.Message + " " + ex.StackTrace);
}
}
}
}
catch (Exception ex)
{
MessageBox.Show("RemoveAttachedDevicesClick error:" + ex.Message + " " + ex.StackTrace);
}
}
private void getAttachedDevicesClick(object sender, EventArgs e)
{
try
{
Cursor.Current = Cursors.WaitCursor;
ManagementObjectSearcher theSearcher = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive WHERE InterfaceType='USB'");
foreach (ManagementObject currentObject in theSearcher.Get())
{
String id = "";
String pid = "";
String vid = "";
String size = "N/A";
String idHash = "";
String uniqID = "";
if (currentObject["PNPDeviceID"] != null)
{
id = currentObject["PNPDeviceID"].ToString();
}
else
{
MessageBox.Show("A USB device does not provide PNPDeviceID, skipping");
continue;
}
if (currentObject["Size"] != null)
{
size = currentObject["Size"].ToString();
}
if (id.StartsWith("USBSTOR"))
{
int start = id.LastIndexOf("\\") + 1;
int lentgh = id.LastIndexOf("&") - start;
uniqID = id.Substring(start, lentgh).ToUpper();
//MessageBox.Show("USB storage uniq id: " + uniqID);
/*
* try
* {
* RegistryKey enumUSBKey = Registry.LocalMachine.OpenSubKey(@"SYSTEM\CurrentControlSet\Services\USBSTOR\Enum");
* int count = (int)enumUSBKey.GetValue("Count");
*
* for (int i = 0; i < count; i++)
* {
* String usbDeviceString = enumUSBKey.GetValue(i.ToString()).ToString().ToUpperInvariant();
* if (usbDeviceString.Contains(uniqID))
* {
* int startVid = usbDeviceString.IndexOf("VID_") + 4;
* int endVid = usbDeviceString.IndexOf("&", startVid);
* vid = usbDeviceString.Substring(startVid, endVid - startVid);
* int endPid = usbDeviceString.IndexOf("\\", endVid + 1);
* pid = usbDeviceString.Substring(endVid + 5, endPid - endVid - 5);
* }
* }
* }
* catch (Exception ex)
* {
* MessageBox.Show("Failed to get VID and PID:" + ex.Message + " " + ex.StackTrace);
* }
*/
/*
* try
* {
* RegistryKey enumUSBDevKey = Registry.LocalMachine.OpenSubKey(@"SYSTEM\CurrentControlSet\Enum\USB");
* String devNode = "";
* foreach (String devNodeKeyString in enumUSBDevKey.GetSubKeyNames())
* {
* foreach (String devNodeInstanceString in enumUSBDevKey.OpenSubKey(devNodeKeyString).GetSubKeyNames())
* {
* if (devNodeInstanceString == uniqID)
* {
* devNode = devNodeKeyString;
* break;
* }
* }
* }
* }
* catch (Exception ex)
* {
* MessageBox.Show("Failed to get devNodeKeyString:" + ex.Message + " " + ex.StackTrace);
* }
*/
try
{
MD5 md5 = MD5.Create();
byte[] md5buf = md5.ComputeHash(ASCIIEncoding.ASCII.GetBytes(uniqID));
foreach (byte b in md5buf)
{
idHash += b.ToString("X2");
}
DataRow row = USBTable.NewRow();
row.SetField(Hash, idHash);
row.SetField(Id, uniqID);
//row.SetField(Pid, pid);
//row.SetField(Vid, vid);
row.SetField(Model, currentObject["Model"]);
row.SetField(Size, size);
//row.SetField(DevNode, devNode);
if (!USBTable.Rows.Contains(idHash))
{
USBTable.Rows.Add(row);
row.AcceptChanges();
}
}
catch (Exception ex)
{
MessageBox.Show("GetAttachedDevicesClick error:" + ex.Message + " " + ex.StackTrace);
}
}
}
}
catch (Exception ex)
{
MessageBox.Show("GetAttachedDevicesClick error:" + ex.Message + " " + ex.StackTrace);
}
Cursor.Current = Cursors.Arrow;
}