public static bool GetDevicesOfCat(Guid cat, out ArrayList devs)
{
bool flag;
devs = null;
object o = null;
ICreateDevEnum enum2 = null;
UCOMIEnumMoniker ppEnumMoniker = null;
UCOMIMoniker[] rgelt = new UCOMIMoniker[1];
try
{
Type typeFromCLSID = Type.GetTypeFromCLSID(Clsid.SystemDeviceEnum);
if (typeFromCLSID == null)
{
throw new NotImplementedException("System Device Enumerator");
}
o = Activator.CreateInstance(typeFromCLSID);
enum2 = (ICreateDevEnum)o;
if (enum2.CreateClassEnumerator(ref cat, out ppEnumMoniker, 0) != 0)
{
throw new NotSupportedException("No devices of the category");
}
int num3 = 0;
while (true)
{
int num2;
if ((ppEnumMoniker.Next(1, rgelt, out num2) != 0) || (rgelt[0] == null))
{
break;
}
DsDevice device = new DsDevice
{
Name = GetFriendlyName(rgelt[0])
};
if (devs == null)
{
devs = new ArrayList();
}
device.Mon = rgelt[0];
rgelt[0] = null;
devs.Add(device);
device = null;
num3++;
}
flag = num3 > 0;
}
catch (Exception)
{
if (devs != null)
{
foreach (DsDevice device2 in devs)
{
device2.Dispose();
}
devs = null;
}
flag = false;
}
finally
{
enum2 = null;
if (rgelt[0] != null)
{
Marshal.ReleaseComObject(rgelt[0]);
}
rgelt[0] = null;
if (ppEnumMoniker != null)
{
Marshal.ReleaseComObject(ppEnumMoniker);
}
ppEnumMoniker = null;
if (o != null)
{
Marshal.ReleaseComObject(o);
}
o = null;
}
return(flag);
}
public static bool GetDevicesOfCat(Guid cat, out ArrayList devs)
{
bool flag;
devs = null;
object o = null;
ICreateDevEnum enum2 = null;
UCOMIEnumMoniker ppEnumMoniker = null;
UCOMIMoniker[] rgelt = new UCOMIMoniker[1];
try
{
Type typeFromCLSID = Type.GetTypeFromCLSID(Clsid.SystemDeviceEnum);
if (typeFromCLSID == null)
{
throw new NotImplementedException("System Device Enumerator");
}
o = Activator.CreateInstance(typeFromCLSID);
enum2 = (ICreateDevEnum)o;
if (enum2.CreateClassEnumerator(ref cat, out ppEnumMoniker, 0) != 0)
{
throw new NotSupportedException("No devices of the category");
}
int num3 = 0;
while (true)
{
int num2;
if ((ppEnumMoniker.Next(1, rgelt, out num2) != 0) || (rgelt[0] == null))
{
break;
}
DsDevice device = new DsDevice
{
Name = GetFriendlyName(rgelt[0])
};
if (devs == null)
{
devs = new ArrayList();
}
device.Mon = rgelt[0];
rgelt[0] = null;
devs.Add(device);
device = null;
num3++;
}
flag = num3 > 0;
}
catch (Exception)
{
if (devs != null)
{
foreach (DsDevice device2 in devs)
{
device2.Dispose();
}
devs = null;
}
flag = false;
}
finally
{
enum2 = null;
if (rgelt[0] != null)
{
Marshal.ReleaseComObject(rgelt[0]);
}
rgelt[0] = null;
if (ppEnumMoniker != null)
{
Marshal.ReleaseComObject(ppEnumMoniker);
}
ppEnumMoniker = null;
if (o != null)
{
Marshal.ReleaseComObject(o);
}
o = null;
}
return flag;
}
