public void Execute()
{
if (!_file.Exists)
{
return;
}
WaitForFileToBeReady(_file);
if (!_targetDirectory.Exists)
{
_targetDirectory.Create();
}
var targetFile = _targetDirectory.GetFile(_file.Name);
if (!targetFile.Exists || _file.ModifiedDate >= targetFile.ModifiedDate)
{
if (!targetFile.Exists)
{
targetFile.Create();
}
using (var stream = _file.GetStream())
{
var totalBytes = stream.Length;
using (var destination = targetFile.GetStream())
{
long bufferSize = 10 * 1024 * 1024;
byte[] buffer = new byte[bufferSize];
int progress = 0;
int read;
while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
{
destination.Write(buffer, 0, read);
destination.Flush();
progress += read;
OnTaskProgress(new TaskProgressEventArgs(totalBytes, progress));
}
}
}
targetFile.ModifiedDate = _file.ModifiedDate;
}
}