SAMPLE: Using HttpSendRequestEx for Large POST Requests (177188)
The information in this article applies to:
- Microsoft Internet Explorer (Programming) 4.01
- Microsoft Internet Explorer (Programming) 4.0
This article was previously published under Q177188 SUMMARY
This sample demonstrates proper usage of the HttpSendRequestEx function
introduced in the Internet Explorer 4.0 WinInet.dll and documented in the
Internet Client SDK.
The original HttpSendRequest function has a significant limitation: all the
data for the request has to be provided in a single buffer when the
function is called. This is often inconvenient, leads to poor performance
in certain client applications, and may make it impossible to upload large
amounts of data from client machines with limited memory. The new
HttpSendRequestEx function allows a program to start a request, send out
the data in small pieces as available, then end the request once all the
data has been sent. Internet Explorer 4.0 must be installed on the computer
in order for this function to work.
The following file is available for download from the Microsoft Download Center:
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.
REFERENCES
For additional information, please see the following article in the
Microsoft Knowledge Base:
177190
BUG: Error 12019 When Calling InternetWriteFile
Modification Type: | Minor | Last Reviewed: | 8/5/2004 |
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Keywords: | kbdownload kbfile kbinfo kbSample KB177188 |
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