private static void EnumerateObjects(PortableDeviceManagerClass deviceManager, string deviceId)
{
var device = OpenDevice(deviceId);
IPortableDeviceContent deviceContent;
device.Content(out deviceContent);
EnumerateContent(PortableDeviceConstants.WPD_DEVICE_OBJECT_ID, deviceContent, "");
}
/// <summary>
/// Private default constructor
/// </summary>
private PortableDeviceCollection(string appName, float majorVersion, float minorVersion)
{
if (string.IsNullOrEmpty(appName))
throw new ArgumentNullException("appName");
deviceManager = new PortableDeviceManagerClass();
portableDevices = new Dictionary<string, PortableDevice>();
this.appName = appName;
this.majorVersion = majorVersion;
this.minorVersion = minorVersion;
AutoConnectToPortableDevice = true;
}
/// <summary>
/// 枚举所有便携式设备（MTP模式）
/// </summary>
/// <returns>返回设备id数组</returns>
private static string[] EnumerateDevices()
{
string[] devicesIds = null;
PortableDeviceManagerClass deviceManager = new PortableDeviceManagerClass();
uint deviceCount = 1; //设备数目初始值必须大于0
deviceManager.GetDevices(null, ref deviceCount); //获取设备数目必须置第一个参数为null
if (deviceCount > 0)
{
devicesIds = new string[deviceCount];
deviceManager.GetDevices(devicesIds, ref deviceCount);
}
return(devicesIds);
}
/// <summary>
/// Private default constructor
/// </summary>
private PortableDeviceCollection(string appName, float majorVersion, float minorVersion)
{
if (string.IsNullOrEmpty(appName))
{
throw new ArgumentNullException("appName");
}
this.deviceManager = new PortableDeviceManagerClass();
this.portableDevices = new Dictionary <string, PortableDevice>();
this.appName = appName;
this.majorVersion = majorVersion;
this.minorVersion = minorVersion;
this.AutoConnectToPortableDevice = true;
}
public static string[] GetDeviceIds()
{
var deviceManager = new PortableDeviceManagerClass();
uint deviceCount = 1;
deviceManager.GetDevices(null, ref deviceCount);
if (deviceCount < 1)
{
return(new string[0]);
}
var deviceIds = new string[deviceCount];
deviceManager.GetDevices(ref deviceIds[0], ref deviceCount);
return(deviceIds);
}
static void Main(string[] args)
{
var deviceManager = new PortableDeviceManagerClass();
var devices = EnumerateAllDevices(deviceManager);
foreach (var device in devices)
{
Console.WriteLine("========================================");
Console.WriteLine("ID:\t{0}", device.Id);
Console.WriteLine("Name:\t{0}", device.FriendlyName);
Console.WriteLine("Description:\t{0}", device.Description);
Console.WriteLine();
EnumerateObjects(deviceManager, device.Id);
Console.WriteLine("========================================");
Console.WriteLine();
}
}
/// <summary>
/// ポータブル デバイスを列挙します。
/// </summary>
/// <returns>ポータブル デバイスのコレクション。</returns>
public static IEnumerable <WpdDevice> EnumDevices()
{
var m = new PortableDeviceManagerClass();
uint count = 1;
m.GetDevices(null, ref count);
if (count == 0)
{
yield break;
}
var ids = new string[count];
m.GetDevices(ids, ref count);
foreach (var id in ids)
{
yield return(new WpdDevice(id));
}
}
public PortableDeviceCollection()
{
this._deviceManager = new PortableDeviceManagerClass();
}
/// <summary>
/// ポータブル デバイスを列挙します。
/// </summary>
/// <returns>ポータブル デバイスのコレクション。</returns>
public static IEnumerable<WpdDevice> EnumDevices()
{
var m = new PortableDeviceManagerClass();
uint count = 1;
m.GetDevices( null, ref count );
if( count == 0 ) { yield break; }
var ids = new string[ count ];
m.GetDevices( ids, ref count );
foreach( var id in ids )
{
yield return new WpdDevice( id );
}
}
