private List <TransFileObject> GetObjects(string parentDirId, IPortableDeviceContent content, TransFileObject.ObjectKind kindFilter = TransFileObject.ObjectKind.ALL)
{
var retObjs = new List <TransFileObject>();
IPortableDeviceProperties properties;
content.Properties(out properties);
IEnumPortableDeviceObjectIDs objectIDs;
content.EnumObjects(0, parentDirId, null, out objectIDs);
// オブジェクトを取得
string objectID;
uint fetched = 0;
while (true)
{
objectIDs.Next(1, out objectID, ref fetched);
if (fetched <= 0)
{
break;
}
TransFileObject currentObject = WrapObject(properties, objectID);
if (kindFilter == TransFileObject.ObjectKind.ALL || currentObject.kind == kindFilter)
{
retObjs.Add(currentObject);
}
}
return(retObjs);
}
private void DownloadFile(TransFileObject file, string destPath, IPortableDeviceContent content)
{
IPortableDeviceProperties properties;
content.Properties(out properties);
var downloadFileObj = WrapObject(properties, file.objId);
IPortableDeviceResources resources;
content.Transfer(out resources);
PortableDeviceApiLib.IStream wpdStream;
uint optimalTransferSize = 0;
var property = new _tagpropertykey();
property.fmtid = new Guid(0xE81E79BE, 0x34F0, 0x41BF, 0xB5, 0x3F, 0xF1, 0xA0, 0x6A, 0xE8, 0x78, 0x42);
property.pid = 0;
resources.GetStream(file.objId, ref property, 0, ref optimalTransferSize, out wpdStream);
System.Runtime.InteropServices.ComTypes.IStream sourceStream = (System.Runtime.InteropServices.ComTypes.IStream)wpdStream;
FileStream targetStream = new FileStream(destPath, FileMode.Create, FileAccess.Write);
unsafe {
var buffer = new byte[10240];
int bytesRead;
do
{
sourceStream.Read(buffer, 10240, new IntPtr(&bytesRead));
if (bytesRead <= 0)
{
break;
}
targetStream.Write(buffer, 0, bytesRead);
} while (true /*bytesRead > 0*/);
targetStream.Close();
}
Marshal.ReleaseComObject(sourceStream);
Marshal.ReleaseComObject(wpdStream);
// ファイルの更新日時を更新
DateTime setDate = file.updateTime;
if (setDate.CompareTo(DateTime.MinValue) == 0)
{
setDate = GetImgTakenDate(destPath); // Exifから撮影日時情報を取得
}
File.SetLastWriteTime(destPath, setDate);
}