public static List <DeviceEnumerator> ListDevices(Guid filterType)
{
List <DeviceEnumerator> deviceEnumeratorList = new List <DeviceEnumerator>();
IEnumMoniker ppEnumMoniker;
ErrorHandler classEnumerator = (ErrorHandler)((ICreateDevEnum) new CreateDevEnum()).CreateClassEnumerator(filterType, out ppEnumMoniker, 0);
if (ppEnumMoniker != null)
{
try
{
IMoniker[] rgelt = (IMoniker[])null;
try
{
while (true)
{
DeviceEnumerator deviceEnumerator;
string property;
do
{
rgelt = new IMoniker[1];
if (ppEnumMoniker.Next(1, rgelt, IntPtr.Zero) != 0)
{
Logger.Info("Breaking out of loop..");
goto label_11;
}
else
{
deviceEnumerator = new DeviceEnumerator()
{
m_Moniker = rgelt[0]
};
deviceEnumerator.m_FriendlyName = deviceEnumerator.getProperty("FriendlyName");
property = deviceEnumerator.getProperty("DevicePath");
}
}while (deviceEnumerator.m_FriendlyName == null || property == null || !property.Contains("\\usb#vid") && !property.Contains("\\pci#ven"));
deviceEnumeratorList.Add(deviceEnumerator);
Logger.Info("Camera device {0}", (object)deviceEnumerator.m_FriendlyName);
}
}
catch (Exception ex)
{
if (rgelt != null)
{
Marshal.ReleaseComObject((object)rgelt[0]);
}
deviceEnumeratorList = (List <DeviceEnumerator>)null;
Logger.Error("Failed to enumerate Video input devices: {0}", (object)ex.ToString());
throw;
}
}
finally
{
Marshal.ReleaseComObject((object)ppEnumMoniker);
}
}
else
{
Logger.Error("Cannot enumerate the device");
deviceEnumeratorList = (List <DeviceEnumerator>)null;
}
label_11:
return(deviceEnumeratorList);
}
