public void DeleteFile(PortableDeviceFile file)
{
var variant = new PortableDeviceApiLib.tag_inner_PROPVARIANT();
IPortableDeviceContent content = null;
try
{
this._device.Content(out content);
StringToPropVariant(file.Id, out variant, 2);
PortableDeviceApiLib.IPortableDevicePropVariantCollection objectIds =
new PortableDeviceTypesLib.PortableDevicePropVariantCollection()
as PortableDeviceApiLib.IPortableDevicePropVariantCollection;
objectIds.Add(variant);
content.Delete(0, objectIds, null);
}
catch (Exception ex)
{
Logger.Basic.Error("Portable Device DeleteFile : " + ex.ToString(), ex);
}
finally {
if (Marshal.IsComObject(variant))
{
Marshal.ReleaseComObject(variant);
}
if (content != null && Marshal.IsComObject(content))
{
Marshal.ReleaseComObject(content);
}
}
}
private void RealDeleteOperation(PortableDevice device, PortableDeviceFile item, List <ImageItem> deletedFiles, List <ImageItem> willbeuploaded)
{
try
{
foreach (ImageItem imageItem in deletedFiles)
{
if (imageItem.UniqueIdentifier == item.Id)
{
deleteoperationcanbedone = true;
_imgManager.DeleteImageFromDirectory(imageItem);
device.DeleteFile((PortableDeviceFile)item);
deleteditem++;
Action action = () => ImageNumber(deleteditem, deletedFiles.Count);
Dispatcher.CurrentDispatcher.Invoke(action);
Thread.Sleep(100);
break;
}
}
if (!deleteoperationcanbedone && willbeuploaded.Count > 0)
{
SetNotification(1, PhotoUploader.Properties.Resources.main_msg_imagenoexist);
Action action1 = () => ImageNumber(-1, deletedFiles.Count);
Dispatcher.CurrentDispatcher.Invoke(action1);
Thread.Sleep(100);
}
}
catch (Exception ex)
{
Logger.Basic.Error("PWDManager Delete Operation : " + ex.ToString(), ex);
}
}
public bool DownloadFile(PortableDeviceFile file, string saveToPath)
{
bool isdownload = false;
IPortableDeviceContent content;
this._device.Content(out content);
IPortableDeviceResources resources;
content.Transfer(out resources);
PortableDeviceApiLib.IStream wpdStream;
uint optimalTransferSize = 0;
System.Runtime.InteropServices.ComTypes.IStream sourceStream = null;
IPortableDeviceValues values =
new PortableDeviceTypesLib.PortableDeviceValues() as IPortableDeviceValues;
DateTime createdDate = GetObjectCreationTime(content, file.Id);
ImageItem imageItem = null;
imageItem = new ImageItem(0, file.Id, file.Name, createdDate);
var property = new _tagpropertykey();
property.fmtid = new Guid(0xE81E79BE, 0x34F0, 0x41BF, 0xB5, 0x3F, 0xF1, 0xA0, 0x6A, 0xE8, 0x78, 0x42);
property.pid = 0;
string imgpath = string.Empty;
FileStream targetStream = null;
try
{
resources.GetStream(file.Id, ref property, 0, ref optimalTransferSize, out wpdStream);
sourceStream = (System.Runtime.InteropServices.ComTypes.IStream)wpdStream;
var filename = Path.GetFileName(file.Id);
imgpath = saveToPath + "IMG_1_" + imageItem.TakenTime.ToString() + "_" + file.Id + ".jpg";
targetStream = new FileStream(imgpath, FileMode.Create, FileAccess.Write);
unsafe
{
var buffer = new byte[2048];
int bytesRead;
do
{
sourceStream.Read(buffer, 2048, new IntPtr(&bytesRead));
targetStream.Write(buffer, 0, 2048);
} while (bytesRead > 0);
targetStream.Close();
isdownload = true;
}
}
catch (Exception ex)
{
isdownload = false;
Logger.Basic.Error("PortableDevice DownloadFile : " + ex.ToString(), ex);
}
finally
{
if (resources != null && Marshal.IsComObject(resources))
{
Marshal.ReleaseComObject(resources);
}
if (content != null && Marshal.IsComObject(content))
{
Marshal.ReleaseComObject(content);
}
if (sourceStream != null && Marshal.IsComObject(sourceStream))
{
Marshal.ReleaseComObject(sourceStream);
}
if (!isdownload)
{
if (File.Exists(imgpath))
{
if (targetStream != null)
{
targetStream.Close();
}
File.Delete(imgpath);
}
}
}
return(isdownload);
}
private void RealDownloadOperation(PortableDevice device, PortableDeviceFile item)
{
ImageItem imageItem = null;
IPortableDeviceContent content = device.GetContentofDevice();
DateTime createddate = device.GetObjectCreationTime(content, item.Id);
imageItem = new ImageItem(0, item.Id, item.Id, createddate);
if (_imageList.Exists((ImageItem t) => { return(t.UniqueIdentifier == item.Id); }))
{
countofimg++;
Action action = () => FetchImageCount(countofimg, totalimagecount);
Dispatcher.CurrentDispatcher.Invoke(action);
Thread.Sleep(200);
}
else if ((!_imageList.Exists((ImageItem t) => { return(t.UniqueIdentifier == item.Id); }) ||
_imageList.Count == 0))
{
countofimg++;
_imageList.Add(imageItem);
bool isok = device.DownloadFile((PortableDeviceFile)item, ImageFolder);
if (isok)
{
Action action = () => FetchImageCount(countofimg, totalimagecount);
Dispatcher.CurrentDispatcher.Invoke(action);
Thread.Sleep(200);
}
}
if (countofimg >= totalimagecount)
{
countofimg = 0;
totalimagecount = 0;
}
//else if (totalimagecount > 0 && countofimg < totalimagecount)
//{
// countofimg++;
// Action action = () => FetchImageCount(countofimg, totalimagecount);
// Dispatcher.CurrentDispatcher.Invoke(action);
// Thread.Sleep(200);
// if (countofimg == totalimagecount)
// {
// countofimg = 0;
// totalimagecount = 0;
// }
//}
//if (totalimagecount > 0)
//{
// if (countofimg == totalimagecount)
// {
// countofimg = 0;
// totalimagecount = 0;
// }
// device.DownloadFile((PortableDeviceFile)item, ImageFolder);
//}
}
