StopFeedGetInformation Method (original) (raw)
Summary
Ends a file information process in which you control the input stream.
Syntax
C#
Objective-C
C++/CLI
Java
Python
- (nullable LTCodecsImageInfo *)stopFeedGetInformation:(NSError **)error public CodecsImageInfo stopFeedGetInformation() def StopFeedGetInformation(self): Return Value
An CodecsImageInfo object containing information about the image data provided by FeedGetInformation.
Example
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
using Leadtools.Svg;
public void FeedGetInformationExample()
{
RasterCodecs codecs = new RasterCodecs();
codecs.CancelFeedGetInformation();
string url = @"https://www.leadtools.com/images/page_graphics/leadlogo.png";
// Create a WebRequest for the URL
WebRequest request = WebRequest.Create(url);
request.Proxy.Credentials = CredentialCache.DefaultCredentials;
// reduce the timeout to 20 sec
request.Timeout = 20000;
WebResponse response = request.GetResponse();
try
{
Stream strm = response.GetResponseStream();
// Read chunks from the stream and feed load to the image
codecs.StartFeedGetInformation(true, 1);
const int bufferSize = 1024;
byte[] buffer = new byte[bufferSize];
bool more;
do
{
System.Windows.Forms.Application.DoEvents();
int read = strm.Read(buffer, 0, bufferSize);
Debug.WriteLine("Downloading {0} bytes", read);
if (read > 0)
more = codecs.FeedGetInformation(buffer, 0, read);
else
{
// no more image data in the stream
more = false;
}
}
while (more);
}
finally
{
response.Close();
}
CodecsImageInfo info = codecs.StopFeedGetInformation();
// Clean up
codecs.Dispose();
// Show the information
Debug.WriteLine(info.ToString());
}
Leadtools.Codecs Assembly
CompactFile(Stream,Stream,int,int,bool,int,int,bool,int,CodecsSavePageMode,bool,bool) Method
CompactFile(Stream,Stream,int,int,bool,long,int,bool,long,CodecsSavePageMode,bool,bool,bool) Method
CompactFile(string,string,int,int,bool,int,int,bool,int,CodecsSavePageMode,bool,bool) Method
CompactFile(string,string,int,int,bool,long,int,bool,long,CodecsSavePageMode,bool,bool,bool) Method