public static bool downloadFromWeb(string URL, string file, string targetFolder)
{
try
{
byte[] downloadedData = new byte[0];
// open a data stream from the supplied URL
WebRequest webReq = WebRequest.Create(URL + file);
webReq.Credentials = CredentialCache.DefaultCredentials;
WebResponse webResponse = webReq.GetResponse();
Stream dataStream = webResponse.GetResponseStream();
// download the data in chuncks
byte[] dataBuffer = new byte[1024];
// get the total size of the download
int dataLength = (int)webResponse.ContentLength;
// lets declare our downloaded bytes event args
ByteArgs byteArgs = new ByteArgs();
byteArgs.downloaded = 0;
byteArgs.total = dataLength;
// we need to test for a null as if an event is not consumed we will get an exception
if (bytesDownloaded != null)
{
bytesDownloaded(byteArgs);
}
// download the data
MemoryStream memoryStream = new MemoryStream();
while (true)
{
// let's try and read the data
int bytesFromStream = dataStream.Read(dataBuffer, 0, dataBuffer.Length);
if (bytesFromStream == 0)
{
byteArgs.downloaded = dataLength;
byteArgs.total = dataLength;
if (bytesDownloaded != null)
{
bytesDownloaded(byteArgs);
}
// download complete
break;
}
else
{
// write the downloaded data
memoryStream.Write(dataBuffer, 0, bytesFromStream);
byteArgs.downloaded = bytesFromStream;
byteArgs.total = dataLength;
if (bytesDownloaded != null)
{
bytesDownloaded(byteArgs);
}
}
}
// convert the downloaded stream to a byte array
downloadedData = memoryStream.ToArray();
// release resources
dataStream.Close();
memoryStream.Close();
// write bytes to the specified file
FileStream newFile = new FileStream(Path.Combine(targetFolder, file), FileMode.Create);
newFile.Write(downloadedData, 0, downloadedData.Length);
newFile.Close();
return(true);
}
catch (Exception /*ex*/)
{
// we may not be connected to the internet
// or the URL may be incorrect
return(false);
}
}
public static bool downloadFromWeb(string URL, string file, string targetFolder)
{
try
{
byte[] downloadedData = new byte[0];
// open a data stream from the supplied URL
WebRequest webReq = WebRequest.Create(URL + file);
webReq.Credentials = CredentialCache.DefaultCredentials;
WebResponse webResponse = webReq.GetResponse();
Stream dataStream = webResponse.GetResponseStream();
// download the data in chuncks
byte[] dataBuffer = new byte[1024];
// get the total size of the download
int dataLength = (int)webResponse.ContentLength;
// lets declare our downloaded bytes event args
ByteArgs byteArgs = new ByteArgs();
byteArgs.downloaded = 0;
byteArgs.total = dataLength;
// we need to test for a null as if an event is not consumed we will get an exception
if (bytesDownloaded != null)
bytesDownloaded(byteArgs);
// download the data
MemoryStream memoryStream = new MemoryStream();
while (true)
{
// let's try and read the data
int bytesFromStream = dataStream.Read(dataBuffer, 0, dataBuffer.Length);
if (bytesFromStream == 0)
{
byteArgs.downloaded = dataLength;
byteArgs.total = dataLength;
if (bytesDownloaded != null) bytesDownloaded(byteArgs);
// download complete
break;
}
else
{
// write the downloaded data
memoryStream.Write(dataBuffer, 0, bytesFromStream);
byteArgs.downloaded = bytesFromStream;
byteArgs.total = dataLength;
if (bytesDownloaded != null) bytesDownloaded(byteArgs);
}
}
// convert the downloaded stream to a byte array
downloadedData = memoryStream.ToArray();
// release resources
dataStream.Close();
memoryStream.Close();
// write bytes to the specified file
FileStream newFile = new FileStream(Path.Combine(targetFolder, file), FileMode.Create);
newFile.Write(downloadedData, 0, downloadedData.Length);
newFile.Close();
return true;
}
catch (Exception /*ex*/)
{
// we may not be connected to the internet
// or the URL may be incorrect
return false;
}
}
