private void OnDeviceConnected(Object sender, EventArrivedEventArgs e)
{
try
{
ManagementBaseObject targetInstance = e.NewEvent.GetPropertyValue("TargetInstance") as ManagementBaseObject;
Win32UsbControllerDevice win32UsbControllerDevice = this.GetDevice(targetInstance);
if (null == win32UsbControllerDevice)
{
return;
}
if (this.DeviceConnected != null)
{
this.DeviceConnected(this, new Win32UsbControllerDeviceEventArgs(win32UsbControllerDevice));
}
}
catch (Exception ex)
{
Tracer.Trace(ex, "Error handling WMI creation event");
}
}
public Win32UsbControllerDeviceEventArgs(Win32UsbControllerDevice win32UsbControllerDevice)
{
this.Device = win32UsbControllerDevice;
}
private Win32UsbControllerDevice GetDevice(ManagementBaseObject managementObject)
{
try
{
Win32UsbControllerDevice win32UsbControllerDevice = new Win32UsbControllerDevice();
try
{
String dependent = managementObject.GetPropertyValue("Dependent").ToString();
win32UsbControllerDevice.DeviceId = this.ExtractSeviceId(dependent);
}
catch (Exception ex)
{
}
try
{
String antecedent = managementObject.GetPropertyValue("Antecedent").ToString();
win32UsbControllerDevice.ControllerId = this.ExtractSeviceId(antecedent);
}
catch (Exception ex)
{
}
try
{
String locationInformation = this.GetLocationInformation(win32UsbControllerDevice.DeviceId);
Int32 hubIndex = locationInformation.IndexOf("HUB_#", StringComparison.OrdinalIgnoreCase);
Int32 portIndex = locationInformation.IndexOf("PORT_#", StringComparison.OrdinalIgnoreCase);
if ((hubIndex < 0) || (portIndex < 0))
{
throw new Exception("Wrong location information format");
}
win32UsbControllerDevice.Hub = locationInformation.Substring(hubIndex + 5, 4);
win32UsbControllerDevice.Port = locationInformation.Substring(portIndex + 6, 4);
}
catch (Exception ex)
{
}
try
{
Int32 vidIndex = win32UsbControllerDevice.DeviceId.IndexOf("VID", StringComparison.OrdinalIgnoreCase);
Int32 pidIndex = win32UsbControllerDevice.DeviceId.IndexOf("PID", StringComparison.OrdinalIgnoreCase);
if ((vidIndex < 0) || (pidIndex < 0))
{
throw new Exception("Wrong device ID format");
}
win32UsbControllerDevice.Vid = win32UsbControllerDevice.DeviceId.Substring(vidIndex + 4, 4);
win32UsbControllerDevice.Pid = win32UsbControllerDevice.DeviceId.Substring(pidIndex + 4, 4);
}
catch (Exception ex)
{
}
return(win32UsbControllerDevice);
}
catch (Exception ex)
{
}
return(null);
}