/// <summary>
/// Handles the window message when a drive change is in progress or finished
/// </summary>
/// <param name="msg">Window message</param>
/// <returns>true, if the message was handled</returns>
public static bool HandleDeviceChangedMessage(Message msg)
{
DEV_BROADCAST_HDR hdr = new DEV_BROADCAST_HDR();
DEV_BROADCAST_VOLUME vol = new DEV_BROADCAST_VOLUME();
try
{
if (msg.WParam.ToInt32() == DBT_DEVICEARRIVAL)
{
// new device
hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(msg.LParam, hdr.GetType());
if (hdr.devicetype == DBT_DEVTYPE_VOLUME)
{
vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(msg.LParam, vol.GetType());
return(DeviceNew(vol));
}
}
else if (msg.WParam.ToInt32() == DBT_DEVICEREMOVECOMPLETE)
{
// device remove
hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(msg.LParam, hdr.GetType());
if (hdr.devicetype == DBT_DEVTYPE_VOLUME)
{
vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(msg.LParam, vol.GetType());
return(DeviceRemoved(vol));
}
}
}
catch (Exception ex)
{
Log.Error("Error in handling device changed message: {0}", ex);
}
return(false);
}
/// <summary>
/// Handles the window message when a drive change is in progress or finished
/// </summary>
/// <param name="msg">Window message</param>
/// <returns>true, if the message was handled</returns>
public static bool HandleDeviceChangedMessage(Message msg)
{
DEV_BROADCAST_HDR hdr = new DEV_BROADCAST_HDR();
DEV_BROADCAST_VOLUME vol = new DEV_BROADCAST_VOLUME();
try
{
if (msg.WParam.ToInt32() == DBT_DEVICEARRIVAL)
{
// new device
hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(msg.LParam, hdr.GetType());
if (hdr.devicetype == DBT_DEVTYPE_VOLUME)
{
vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(msg.LParam, vol.GetType());
return DeviceNew(vol);
}
}
else if (msg.WParam.ToInt32() == DBT_DEVICEREMOVECOMPLETE)
{
// device remove
hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(msg.LParam, hdr.GetType());
if (hdr.devicetype == DBT_DEVTYPE_VOLUME)
{
vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(msg.LParam, vol.GetType());
return DeviceRemoved(vol);
}
}
}
catch (Exception ex)
{
Log.Error("Error in handling device changed message: {0}", ex);
}
return false;
}
/// <summary>
/// Handles the window message when a drive change is in progress or finished
/// </summary>
/// <param name="msg">Window message</param>
/// <returns>true, if the message was handled</returns>
public static bool HandleDeviceChangedMessage(Message msg)
{
DEV_BROADCAST_HDR hdr = new DEV_BROADCAST_HDR();
DEV_BROADCAST_VOLUME vol = new DEV_BROADCAST_VOLUME();
try
{
if (msg.LParam != IntPtr.Zero)
{
var deviceInterface = (DEV_BROADCAST_DEVICEINTERFACE)Marshal.PtrToStructure(msg.LParam, typeof(DEV_BROADCAST_DEVICEINTERFACE));
// get friendly device name
string deviceName = String.Empty;
string[] values = deviceInterface.dbcc_name.Split('#');
if (values.Length >= 3)
{
string deviceType = values[0].Substring(values[0].IndexOf(@"?\", StringComparison.Ordinal) + 2);
string deviceInstanceID = values[1];
string deviceUniqueID = values[2];
string regPath = @"SYSTEM\CurrentControlSet\Enum\" + deviceType + "\\" + deviceInstanceID + "\\" +
deviceUniqueID;
Microsoft.Win32.RegistryKey regKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(regPath);
if (regKey != null)
{
// use the friendly name if it exists
object result = regKey.GetValue("FriendlyName");
if (result != null)
{
deviceName = result.ToString();
}
// if not use the device description's last part
else
{
result = regKey.GetValue("DeviceDesc");
if (result != null)
{
deviceName = result.ToString().Contains(@"%;")
? result.ToString().Substring(result.ToString().IndexOf(@"%;", StringComparison.Ordinal) + 2)
: result.ToString();
}
}
}
}
if (!string.IsNullOrEmpty(deviceName) && deviceName.Contains("Microsoft Virtual DVD-ROM"))
{
Log.Debug("Ignoring Microsoft Virtual DVD-ROM device change event");
return(true);
}
}
}
catch
{ }
try
{
if (msg.WParam.ToInt32() == DBT_DEVICEARRIVAL)
{
// new device
hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(msg.LParam, hdr.GetType());
if (hdr.devicetype == DBT_DEVTYPE_VOLUME)
{
vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(msg.LParam, vol.GetType());
return(DeviceNew(vol));
}
}
else if (msg.WParam.ToInt32() == DBT_DEVICEREMOVECOMPLETE)
{
// device remove
hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(msg.LParam, hdr.GetType());
if (hdr.devicetype == DBT_DEVTYPE_VOLUME)
{
vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(msg.LParam, vol.GetType());
return(DeviceRemoved(vol));
}
}
}
catch (Exception ex)
{
Log.Error("Error in handling device changed message: {0}", ex);
}
return(false);
}
/// <summary>
/// Handles the window message when a drive change is in progress or finished
/// </summary>
/// <param name="msg">Window message</param>
/// <returns>true, if the message was handled</returns>
public static bool HandleDeviceChangedMessage(Message msg)
{
DEV_BROADCAST_HDR hdr = new DEV_BROADCAST_HDR();
DEV_BROADCAST_VOLUME vol = new DEV_BROADCAST_VOLUME();
try
{
var deviceInterface = (DEV_BROADCAST_DEVICEINTERFACE)Marshal.PtrToStructure(msg.LParam, typeof(DEV_BROADCAST_DEVICEINTERFACE));
// get friendly device name
string deviceName = String.Empty;
string[] values = deviceInterface.dbcc_name.Split('#');
if (values.Length >= 3)
{
string deviceType = values[0].Substring(values[0].IndexOf(@"?\", StringComparison.Ordinal) + 2);
string deviceInstanceID = values[1];
string deviceUniqueID = values[2];
string regPath = @"SYSTEM\CurrentControlSet\Enum\" + deviceType + "\\" + deviceInstanceID + "\\" + deviceUniqueID;
Microsoft.Win32.RegistryKey regKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(regPath);
if (regKey != null)
{
// use the friendly name if it exists
object result = regKey.GetValue("FriendlyName");
if (result != null)
{
deviceName = result.ToString();
}
// if not use the device description's last part
else
{
result = regKey.GetValue("DeviceDesc");
if (result != null)
{
deviceName = result.ToString().Contains(@"%;") ? result.ToString().Substring(result.ToString().IndexOf(@"%;", StringComparison.Ordinal) + 2) : result.ToString();
}
}
}
}
if (!string.IsNullOrEmpty(deviceName) && deviceName.Contains("Microsoft Virtual DVD-ROM"))
{
Log.Debug("Ignoring Microsoft Virtual DVD-ROM device change event");
return true;
}
}
catch
{ }
try
{
if (msg.WParam.ToInt32() == DBT_DEVICEARRIVAL)
{
// new device
hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(msg.LParam, hdr.GetType());
if (hdr.devicetype == DBT_DEVTYPE_VOLUME)
{
vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(msg.LParam, vol.GetType());
return DeviceNew(vol);
}
}
else if (msg.WParam.ToInt32() == DBT_DEVICEREMOVECOMPLETE)
{
// device remove
hdr = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(msg.LParam, hdr.GetType());
if (hdr.devicetype == DBT_DEVTYPE_VOLUME)
{
vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(msg.LParam, vol.GetType());
return DeviceRemoved(vol);
}
}
}
catch (Exception ex)
{
Log.Error("Error in handling device changed message: {0}", ex);
}
return false;
}