private void DownFileCallBack(IAsyncResult ra)
{
CustomFile customFile = (CustomFile)ra.AsyncState;
int currentLen = customFile.FileStream.EndRead(ra);
if (currentLen != 0)
{
CustomFileInfo customFileInfo = new CustomFileInfo();
customFileInfo.CurrentData = customFile.CurrentByte;
customFileInfo.CurrentOffset = customFile.FileStream.Position - currentLen;
customFileInfo.FileLength = customFile.FileStream.Length;
customFileInfo.CurrentLen = currentLen;
customFileInfo.FileName = customFile.FileName;
if (customFile.ClientCallBack.DownFile(customFileInfo))
{
customFile.FileStream.BeginRead(customFile.CurrentByte, 0, customFile.MaxLength, (AsyncCallback)DownFileCallBack, customFile);
}
else
{
customFile.FileStream.Close();
customFile.FileStream.Dispose();
}
}
else
{
customFile.FileStream.Close();
customFile.FileStream.Dispose();
}
}
public void UploadFile(CustomFileInfo currentUploadFile)
{
FileStream fs = new FileStream(currentUploadFile.ServerPath + "\\" + currentUploadFile.FileName, FileMode.OpenOrCreate, FileAccess.Write);
fs.Seek(currentUploadFile.CurrentOffset, SeekOrigin.Begin);
fs.BeginWrite(
currentUploadFile.CurrentData, 0,
currentUploadFile.CurrentLen,
new AsyncCallback(delegate(IAsyncResult ra)
{
fs.EndWrite(ra);
fs.Close();
fs.Dispose();
}), null);
}
public IAsyncResult BeginUploadFile(CustomFileInfo currentUploadFile, AsyncCallback ra, object state)
{
throw new NotImplementedException();
}