public static PortableDeviceFolder Create(PortableDevice portableDevice, PortableDeviceFolder parentFolder, string folderName)
{
if (portableDevice == null || !portableDevice.IsConnected)
{
throw new ArgumentNullException(nameof(portableDevice));
}
if (parentFolder == null)
{
throw new ArgumentNullException(nameof(parentFolder));
}
if (string.IsNullOrEmpty(folderName))
{
throw new ArgumentNullException(nameof(folderName));
}
var folderNameParts = folderName.Split(new[] { Path.DirectorySeparatorChar },
StringSplitOptions.RemoveEmptyEntries);
PortableDeviceFolder newDeviceFolder = null;
PortableDeviceFolder currentParentFolder = parentFolder;
foreach (var folderNamePart in folderNameParts)
{
newDeviceFolder = CreateOneFolder(portableDevice, currentParentFolder, folderNamePart);
if (newDeviceFolder == null)
{
return(null);
}
currentParentFolder = newDeviceFolder;
}
return(newDeviceFolder);
}
public void CreateDirectory(string path)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException(nameof(path));
}
var mtpDevice = MtpDeviceManager.GetPortableDevice(path);
var folderOnlyPath = path.Replace($"{MtpPathInterpreter.GetMtpDeviceName(path)}{Path.DirectorySeparatorChar}",
string.Empty);
string lastExistentFolderPath = folderOnlyPath;
var mtpFolder =
mtpDevice.GetLastExistentFolder(ref lastExistentFolderPath);
if (lastExistentFolderPath == folderOnlyPath)
{
return;
}
if (mtpFolder == null || string.IsNullOrEmpty(lastExistentFolderPath))
{
mtpDevice.Disconnect();
throw new IOException();
}
var newMtpFolder = PortableDeviceFolder.Create(mtpDevice, mtpFolder, folderOnlyPath.Replace($"{lastExistentFolderPath}{Path.DirectorySeparatorChar}", String.Empty));
if (newMtpFolder == null)
{
mtpDevice.Disconnect();
throw new IOException();
}
}
public static void Create(PortableDevice portableDevice,
PortableDeviceFolder parentFolder,
string fileName,
byte[] body)
{
if (portableDevice == null || !portableDevice.IsConnected)
{
throw new ArgumentNullException(nameof(portableDevice));
}
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentNullException(nameof(fileName));
}
if (body == null)
{
throw new ArgumentNullException(nameof(body));
}
IPortableDeviceValues values =
GetRequiredPropertiesForContentType(fileName, parentFolder.Id, (ulong)body.LongLength);
PortableDeviceApiLib.IStream tempStream;
uint optimalTransferSizeBytes = 0;
portableDevice.Content.CreateObjectWithPropertiesAndData(
values,
out tempStream,
ref optimalTransferSizeBytes,
null);
var targetStream = tempStream as IStream;
try
{
using (var sourceStream = new MemoryStream(body))
{
var buffer = new byte[body.Length];
if (sourceStream.Read(buffer, 0, body.Length) <= 0)
{
return;
}
IntPtr pcbWritten = IntPtr.Zero;
targetStream.Write(buffer, body.Length, pcbWritten);
targetStream.Commit(0);
}
}
finally
{
Marshal.ReleaseComObject(tempStream);
}
}
public void Connect()
{
if (IsConnected)
{
return;
}
var clientInfo = new PortableDeviceValuesClass() as IPortableDeviceValues;
_device.Open(DeviceId, clientInfo);
IsConnected = true;
PortableDeviceRootFolder = new PortableDeviceFolder(_deviceStringId, _deviceStringId);
_device.Content(out _content);
}
private IEnumerable <string> EnumerateFiles(PortableDevice mtpDevice,
PortableDeviceFolder mtpFolder, string path, SearchOption searchOption)
{
foreach (var deviceObject in mtpFolder.GetChildren(mtpDevice))
{
if (deviceObject is PortableDeviceFile)
{
yield return($"{path}{Path.DirectorySeparatorChar}{deviceObject.Name}");
}
else if (deviceObject is PortableDeviceFolder && searchOption == SearchOption.AllDirectories)
{
foreach (var fileName in EnumerateFiles(mtpDevice, deviceObject as PortableDeviceFolder, $"{path}{Path.DirectorySeparatorChar}{deviceObject.Name}", SearchOption.AllDirectories))
{
yield return($"{fileName}");
}
}
}
}
private IEnumerable <string> GetContents(
PortableDevice mtpDevice,
PortableDeviceFolder mtpFolder,
string path,
SearchOption searchOption,
string[] extensions = null)
{
if (extensions == null)
{
extensions = new[] { "*.*" }
}
;
foreach (var extension in extensions)
{
ExtensionsRead?.Invoke(this, new ExtensionsReadEventArgs(extension));
foreach (var file in EnumerateFiles(mtpDevice, mtpFolder, path, searchOption)
.Where(s => s.ToLower().EndsWith(extension.ToLower()) || extension == "*.*"))
{
yield return(file);
}
}
}
private static PortableDeviceFolder CreateOneFolder(PortableDevice portableDevice, PortableDeviceFolder parentFolder,
string folderName)
{
if (portableDevice == null || !portableDevice.IsConnected)
{
throw new ArgumentNullException(nameof(portableDevice));
}
if (parentFolder == null)
{
throw new ArgumentNullException(nameof(parentFolder));
}
if (string.IsNullOrEmpty(folderName))
{
throw new ArgumentNullException(nameof(folderName));
}
IPortableDeviceValues values =
GetRequiredPropertiesForContentType(folderName, parentFolder.Id);
if (values == null)
{
throw new Exception($"Could not set values for creation of folder:{folderName}");
}
var newFolderId = parentFolder.Id;
portableDevice.Content.CreateObjectWithPropertiesOnly(
values, ref newFolderId);
return(new PortableDeviceFolder(newFolderId, folderName));
}
