/// <summary>
/// Builds the device.
/// </summary>
/// <param name="parent">The parent.</param>
/// <param name="portCount">The port count.</param>
/// <param name="devicePath">The device path.</param>
/// <returns>The device.</returns>
public static Device BuildDevice(Device parent, uint portCount, string devicePath)
{
Device device = null;
// Open a handle to the Hub device
IntPtr deviceHandle = KernelApi.CreateFile(devicePath, UsbApi.GenericWrite, UsbApi.FileShareWrite,
IntPtr.Zero,
UsbApi.OpenExisting, 0, IntPtr.Zero);
try
{
if (deviceHandle.ToInt64() != UsbApi.InvalidHandleValue)
{
if (GetNodeConnectionInformationEx(portCount, deviceHandle, out var nodeConnection))
{
if (nodeConnection.ConnectionStatus == UsbIoControl.UsbConnectionStatus.DeviceConnected)
{
GetUsbPortConnectorProperties(portCount, deviceHandle,
out var portConnectorProperties);
GetNodeConnectionInformationExV2(portCount, deviceHandle, out var nodeConnectionV2);
if (nodeConnection.DeviceDescriptor.bDeviceClass == UsbDesc.DeviceClassType.UsbHubDevice)
{
if (GetUsbNodeConnectionName(portCount, deviceHandle, out var connectionName))
{
string name = @"\\?\" + connectionName.NodeName;
device = new UsbHub(nodeConnection.DeviceDescriptor, name)
{
NodeConnectionInfo = nodeConnection,
NodeConnectionInfoV2 = nodeConnectionV2,
UsbPortConnectorProperties = portConnectorProperties
};
}
}
else
{
device = new UsbDevice(nodeConnection.DeviceDescriptor, portCount, devicePath)
{
NodeConnectionInfo = nodeConnection,
NodeConnectionInfoV2 = nodeConnectionV2,
UsbPortConnectorProperties = portConnectorProperties
};
}
}
else
{
device = new UsbDevice(null, portCount)
{
NodeConnectionInfo = nodeConnection
};
}
}
}
}
finally
{
if (deviceHandle.ToInt64() != UsbApi.InvalidHandleValue)
{
KernelApi.CloseHandle(deviceHandle);
}
}
return(device);
}
