public void CancelFeedLoad()
- (void)cancelFeedLoad
public void cancelFeedLoad()
public:
void CancelFeedLoad();
def CancelFeedLoad(self):
This method can be used to gracefully cancel a feed load operation. For example, during feed load progressing, the user might click a cancel button to abort the operation. You can then call this method to end the feed load process without throwing an exception.
For a description of how the methods relate to each other, refer to StartFeedLoad.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
using Leadtools.Svg;
public void FeedLoadExample()
{
RasterCodecs codecs = new RasterCodecs();
codecs.CancelFeedLoad();
string url = @"https://www.leadtools.com/images/page_graphics/leadlogo.png";
string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "FeedLoad.bmp");
// Create a WebRequest for the URL
WebRequest request = WebRequest.Create(url);
request.Proxy.Credentials = CredentialCache.DefaultCredentials;
// reduce the timeout to 20sec
request.Timeout = 20000;
WebResponse response = request.GetResponse();
try
{
Stream strm = response.GetResponseStream();
// Read chunks from the stream and feed load to the image
codecs.StartFeedLoad(0, CodecsLoadByteOrder.BgrOrGray);
const int bufferSize = 1024;
byte[] buffer = new byte[bufferSize];
int read;
do
{
System.Windows.Forms.Application.DoEvents();
read = strm.Read(buffer, 0, bufferSize);
Debug.WriteLine("Downloading {0} bytes", read);
if (read > 0)
codecs.FeedLoad(buffer, 0, read);
}
while (read > 0);
}
finally
{
response.Close();
}
RasterImage image = codecs.StopFeedLoad();
// Save the image to disk
codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24);
image.Dispose();
// Clean up
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
Your email has been sent to support! Someone should be in touch! If your matter is urgent please come back into chat.
Chat Hours:
Monday - Friday, 8:30am to 6pm ET
Thank you for your feedback!
Please fill out the form again to start a new chat.
All agents are currently offline.
Chat Hours:
Monday - Friday
8:30AM - 6PM EST
To contact us please fill out this form and we will contact you via email.