/// <summary>
/// private routine for enumerating a hub
/// </summary>
/// <param name="hub">Hub</param>
/// <param name="foundDevice">USB device</param>
/// <param name="instanceId">Device instance ID</param>
static void SearchHubInstanceId(UsbHub hub, ref UsbDevice foundDevice, string instanceId)
{
foreach (UsbPort port in hub.GetPorts())
{
if (port.IsHub)
{
SearchHubInstanceId(port.GetHub(), ref foundDevice, instanceId);
}
else
{
if (!port.IsDeviceConnected)
{
continue;
}
UsbDevice device = port.GetDevice();
if (device.InstanceId != instanceId)
{
continue;
}
foundDevice = device;
break;
}
}
}
/// <summary>
/// Finds a device connected to a specified hub by it's DriverKeyName
/// </summary>
/// <param name="hub">Hub</param>
/// <param name="foundDevice">UsbDevice</param>
/// <param name="driverKeyName">DriverKeyName</param>
static void SearchHubDriverKeyName(UsbHub hub, ref UsbDevice foundDevice, string driverKeyName)
{
foreach (UsbPort port in hub.GetPorts())
{
if (port.IsHub)
{
SearchHubDriverKeyName(port.GetHub(), ref foundDevice, driverKeyName);
}
else
{
if (!port.IsDeviceConnected)
{
continue;
}
UsbDevice device = port.GetDevice();
if (device.DeviceDriverKey != driverKeyName)
{
continue;
}
foundDevice = device;
break;
}
}
}
/// <summary>
/// private routine for enumerating a hub
/// </summary>
/// <param name="hub">Hub</param>
/// <param name="devList">Device list</param>
static void ListHub(UsbHub hub, ICollection <UsbDevice> devList)
{
foreach (UsbPort port in hub.GetPorts())
{
if (port.IsHub)
{
ListHub(port.GetHub(), devList);
}
else
{
if (port.IsDeviceConnected)
{
devList.Add(port.GetDevice());
}
}
}
}
private static IEnumerable <UsbDevice> ListHub(UsbHub hub, string driveName)
{
foreach (var port in hub.GetPorts())
{
if (port.IsHub)
{
foreach (var device in UsbLogic.ListHub(port.GetHub(driveName), driveName))
{
yield return(device);
}
}
else
{
if (port.IsDeviceConnected)
{
yield return(port.GetDevice(driveName));
}
}
}
}
private static void SearchHubDriverKeyName(UsbHub hub, ref UsbDevice foundDevice, string driverKeyName, string driveName)
{
foreach (var port in hub.GetPorts())
{
if (port.IsHub)
{
UsbLogic.SearchHubDriverKeyName(port.GetHub(driveName), ref foundDevice, driverKeyName, driveName);
}
else
{
if (port.IsDeviceConnected)
{
var device = port.GetDevice(driveName);
if (device.DriverKey == driverKeyName)
{
foundDevice = device;
break;
}
}
}
}
}
private static void SearchHubInstanceID(UsbHub hub, ref UsbDevice foundDevice, string instanceID, string driveName)
{
foreach (var port in hub.GetPorts())
{
if (port.IsHub)
{
UsbLogic.SearchHubInstanceID(port.GetHub(driveName), ref foundDevice, instanceID, driveName);
}
else
{
if (port.IsDeviceConnected)
{
var device = port.GetDevice(driveName);
if (device.InstanceID == instanceID)
{
foundDevice = device;
break;
}
}
}
}
}
public static IEnumerable <UsbTreeItem> TextHub(int depth, UsbHub hub)
{
foreach (var port in hub.GetPorts())
{
yield return(new UsbTreeItem {
Depth = depth, Value = $"P-{port?.PortNumber} ({port?.Address})"
});
if (port.IsHub)
{
foreach (var item in UsbTreeView.TextHub(depth + 1, port.GetHub(null)))
{
yield return(item);
}
}
else
{
foreach (var item in UsbTreeView.TextPort(depth + 1, port))
{
yield return(item);
}
}
}
}