// Expects a CIM_USBDevice object
// http://msdn.microsoft.com/en-us/library/aa388649%28v=vs.85%29.aspx
internal UsbDevice(ManagementObject o)
{
Uuid = o.Str("DeviceID");
UsbDevice = this;
// Parse the vendor and product IDs out; best way I could find; patches welcome
VendorId = Int32.Parse(Uuid.Substring(Uuid.IndexOf("VID_") + 4, 4), NumberStyles.HexNumber);
ProductId = Int32.Parse(Uuid.Substring(Uuid.IndexOf("PID_") + 4, 4), NumberStyles.HexNumber);
}
// Expects a Win32_DiskDrive object
// http://msdn.microsoft.com/en-us/library/aa394132%28v=VS.85%29.aspx
internal Volume(ManagementObject o)
{
if (o.ClassPath.ClassName != "Win32_DiskDrive")
{
throw new ArgumentException(o.ClassPath.ClassName, "o");
}
Uuid = o.Str("PNPDeviceID");
Name = o.Str("Caption");
// Get USB vendor/product ids from the associated CIM_USBDevice
// This way of associating them (via a substring of the PNPDeviceID) is quite a hack; patches welcome
var match = regex.Match(Uuid);
if (match.Success)
{
string query = String.Format("SELECT * FROM CIM_USBDevice WHERE DeviceID LIKE '%{0}'", match.Groups[1].Captures[0].Value);
UsbDevice = HardwareManager.Query(query).Select(u => new UsbDevice(u)).FirstOrDefault();
}
// Get MountPoint and more from the associated LogicalDisk
// FIXME this assumes one partition for the device
foreach (ManagementObject partition in o.GetRelated("Win32_DiskPartition"))
{
foreach (ManagementObject disk in partition.GetRelated("Win32_LogicalDisk"))
{
//IsMounted = (bool)ld.GetPropertyValue ("Automount") == true;
//IsReadOnly = (ushort) ld.GetPropertyValue ("Access") == 1;
MountPoint = disk.Str("Name") + "/";
FileSystem = disk.Str("FileSystem");
Capacity = (ulong)disk.GetPropertyValue("Size");
Available = (long)(ulong)disk.GetPropertyValue("FreeSpace");
return;
}
}
}
