private void fillUsbDevicesCollection()
{
this.UsbDevicesCollection.Clear();
foreach (ManagementObject managementObject in GetUsbComPorts())
{
UsbDeviceInfo deviceInfo = getDeviceInfo((string)managementObject.GetPropertyValue(NAME), (string)managementObject.GetPropertyValue(DEVICE_ID));
if (deviceInfo != null && !this.UsbDevicesCollection.Contains(deviceInfo.DeviceSignature))
{
this.UsbDevicesCollection.Add(deviceInfo.DeviceSignature, deviceInfo);
}
}
}
private void handleDeviceChanged(EventArrivedEventArgs e, EventType eventType)
{
ManagementBaseObject instance = (ManagementBaseObject)e.NewEvent["TargetInstance"];
if (new Guid((string)instance["ClassGuid"]) != GUID_DEVCLASS_COM_PORT)
{
return;
}
string infoString = "";
foreach (var property in instance.Properties)
{
infoString += property.Name + " = " + property.Value + Environment.NewLine;
}
//Logger.logd(this, infoString);
UsbDeviceInfo usbDeviceInfo = getDeviceInfo((string)instance.Properties[NAME].Value, (string)instance.Properties[DEVICE_ID].Value);
if (this.UsbDevicesCollection.Contains(usbDeviceInfo.DeviceSignature))
{
this.UsbDevicesCollection.Remove(usbDeviceInfo.DeviceSignature);
}
else
{
this.UsbDevicesCollection.Add(usbDeviceInfo.DeviceSignature, usbDeviceInfo);
}
//Logger.logd(this, "Devices after: " + eventType);
foreach (UsbDeviceInfo udi in this.UsbDevicesCollection.Values)
{
//Logger.logd(this, udi.ToString() + Environment.NewLine);
//Logger.logd(this, "End of devices list.");
this.UsbDevicesChangedEvent(this, new UsbDevicesChangedEventArgs(usbDeviceInfo, eventType));
}
}
public UsbDevicesChangedEventArgs(UsbDeviceInfo usbDeviceInfo, UsbDevices.EventType eventType)
{
this.UsbDeviceInfo = usbDeviceInfo;
this.EventType = eventType;
}
