internal DeviceManager(
IPortableDeviceManager portableDeviceManager,
IDeviceFactory deviceFactory)
{
_portableDeviceManager = portableDeviceManager;
_deviceFactory = deviceFactory;
}
private static string GetDeviceStringProperty(
IPortableDeviceManager deviceManager,
string deviceId,
Func <IPortableDeviceManager, string, ushort[], uint, uint> propertyGetter)
{
uint propertyValueCount = 0;
try
{
// First, pass NULL to get the total number of characters to allocate for the string value.
propertyValueCount = propertyGetter(deviceManager, deviceId, null, 0);
}
catch (Exception exception)
{
Console.WriteLine("-- Exception reading property for device {0}", deviceId);
Console.WriteLine(exception);
Console.WriteLine();
}
if (propertyValueCount == 0)
{
return(null);
}
var propertyValue = new ushort[propertyValueCount];
propertyGetter(deviceManager, deviceId, propertyValue, propertyValueCount);
return(ConvertToString(propertyValue));
}
internal DeviceManager(
IPortableDeviceManager portableDeviceManager,
IDeviceFactory deviceFactory)
{
_portableDeviceManager = portableDeviceManager;
_deviceFactory = deviceFactory;
}
internal DeviceFactory(
IPortableDeviceManager portableDeviceManager)
{
_portableDeviceManager = portableDeviceManager;
_portableDeviceFactory = new PortableDeviceFactory();
_portableDeviceHelper = new PortableDeviceHelper();
_deviceStreamFactory = new DeviceStreamFactory();
}
internal DeviceFactory(
IPortableDeviceManager portableDeviceManager)
{
_portableDeviceManager = portableDeviceManager;
_portableDeviceFactory = new PortableDeviceFactory();
_portableDeviceHelper = new PortableDeviceHelper();
_deviceStreamFactory = new DeviceStreamFactory();
}
private static PortableDevice CreateDevice(IPortableDeviceManager deviceManager, string deviceId)
{
return(new PortableDevice
{
Id = deviceId,
FriendlyName = GetFriendlyName(deviceManager, deviceId),
Description = GetDescription(deviceManager, deviceId)
});
}
/// <summary>
/// turns a manufacturers id into a friendly name
/// </summary>
/// <param name="portableDeviceManager">device manager</param>
/// <param name="deviceId">the id</param>
/// <returns>name</returns>
public string GetDeviceFriendlyName(IPortableDeviceManager portableDeviceManager, string deviceId)
{
return(GetDeviceStringProperty(
portableDeviceManager,
deviceId,
(dm, id, value, count) =>
{
dm.GetDeviceFriendlyName(id, value, ref count);
return count;
}));
}
/// <summary>
/// turns a manufacturers id into a friendly name
/// </summary>
/// <param name="portableDeviceManager">device manager</param>
/// <param name="deviceId">the id</param>
/// <returns>name</returns>
public string GetDeviceFriendlyName(IPortableDeviceManager portableDeviceManager, string deviceId)
{
return GetDeviceStringProperty(
portableDeviceManager,
deviceId,
(dm, id, value, count) =>
{
dm.GetDeviceFriendlyName(id, value, ref count);
return count;
});
}
private static string GetDescription(
IPortableDeviceManager deviceManager,
string deviceId)
{
return(GetDeviceStringProperty(
deviceManager,
deviceId,
(dm, id, value, count) =>
{
dm.GetDeviceDescription(id, value, ref count);
return count;
}));
}
internal Device(
IPortableDeviceManager portableDeviceManager,
IPortableDeviceFactory portableDeviceFactory,
IPortableDeviceHelper portableDeviceHelper,
IDeviceStreamFactory deviceStreamFactory,
string id)
{
_portableDeviceManager = portableDeviceManager;
_portableDeviceFactory = portableDeviceFactory;
_portableDeviceHelper = portableDeviceHelper;
_deviceStreamFactory = deviceStreamFactory;
Id = id;
OpenDevice(id);
}
internal Device(
IPortableDeviceManager portableDeviceManager,
IPortableDeviceFactory portableDeviceFactory,
IPortableDeviceHelper portableDeviceHelper,
IDeviceStreamFactory deviceStreamFactory,
string id)
{
_portableDeviceManager = portableDeviceManager;
_portableDeviceFactory = portableDeviceFactory;
_portableDeviceHelper = portableDeviceHelper;
_deviceStreamFactory = deviceStreamFactory;
Id = id;
OpenDevice(id);
}
private static List <PortableDevice> EnumerateAllDevices(IPortableDeviceManager deviceManager)
{
uint deviceCount = 0;
deviceManager.RefreshDeviceList();
deviceManager.GetDevices(null, ref deviceCount);
var devices = new List <PortableDevice>();
if (deviceCount == 0)
{
return(devices);
}
var deviceIds = new string[deviceCount];
deviceManager.GetDevices(deviceIds, ref deviceCount);
devices.AddRange(deviceIds.Select(id => CreateDevice(deviceManager, id)));
return(devices);
}
private static string GetDeviceStringProperty(
IPortableDeviceManager deviceManager,
string deviceId,
Func<IPortableDeviceManager, string, ushort[], uint, uint> propertyGetter)
{
uint propertyValueCount = 0;
try
{
// First, pass NULL to get the total number of characters to allocate for the string value.
propertyValueCount = propertyGetter(deviceManager, deviceId, null, 0);
}
catch (Exception exception)
{
Console.WriteLine("-- Exception reading property for device {0}", deviceId);
Console.WriteLine(exception);
Console.WriteLine();
}
if (propertyValueCount == 0)
{
return null;
}
var propertyValue = new ushort[propertyValueCount];
propertyGetter(deviceManager, deviceId, propertyValue, propertyValueCount);
return ConvertToString(propertyValue);
}
public PortableDeviceCollection()
{
this._deviceManager = Activator.CreateInstance(typeof(CLSID_PortableDeviceManager)) as IPortableDeviceManager;
}
internal DeviceManager(
IPortableDeviceManager portableDeviceManager)
: this(portableDeviceManager, new DeviceFactory(portableDeviceManager))
{
}
internal DeviceManager(
IPortableDeviceManager portableDeviceManager)
: this(portableDeviceManager, new DeviceFactory(portableDeviceManager))
{
}
