/// <summary>
/// This method closes the connection to the device.
/// </summary>
public void Disconnect()
{
if (!IsConnected)
{
return;
}
ComDeviceObject.Close();
IsConnected = false;
}
/// <summary>
/// This method opens a connection to the device.
/// </summary>
public void Connect()
{
if (IsConnected)
{
return;
}
var clientInfo = (IPortableDeviceValues) new PortableDeviceValuesClass();
ComDeviceObject.Open(DeviceId, clientInfo);
IsConnected = true;
}
internal void CopyToDevice(string source, string destination, bool overwrite)
{
IPortableDeviceContent content;
ComDeviceObject.Content(out content);
string parentObjectId = null;
FindParentObjectId(Path.GetDirectoryName(destination), ref parentObjectId);
if (string.IsNullOrEmpty(parentObjectId))
{
throw new Exception("destination folder has not been found.");
}
IPortableDeviceValues values =
GetRequiredPropertiesForContentType(source, destination, parentObjectId);
PortableDeviceApiLib.IStream wpdStream = null;
uint optimalTransferSize = 0;
content.CreateObjectWithPropertiesAndData(
values,
out wpdStream,
ref optimalTransferSize,
null);
System.Runtime.InteropServices.ComTypes.IStream targetStream = null;
try
{
targetStream = (System.Runtime.InteropServices.ComTypes.IStream)wpdStream;
FileStream sourceStream = new FileStream(source, FileMode.Open, FileAccess.Read);
unsafe
{
try
{
var buffer = new byte[optimalTransferSize];
int bytesRead;
do
{
bytesRead = sourceStream.Read(buffer, 0, (int)optimalTransferSize);
IntPtr pcbWritten = IntPtr.Zero;
if (bytesRead < (int)optimalTransferSize)
{
targetStream.Write(buffer, bytesRead, pcbWritten);
}
else
{
targetStream.Write(buffer, (int)optimalTransferSize, pcbWritten);
}
} while (bytesRead > 0);
targetStream.Commit(0);
}
catch (ArgumentException e)
{
throw new Exception("Some argument has problem, remember this API can't overwrite" +
"file on the device side! message: " + e.Message);
}
finally
{
sourceStream.Close();
}
}
}
finally
{
Marshal.ReleaseComObject(wpdStream);
Marshal.ReleaseComObject(targetStream);
}
}