Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Using FtpCommand
Using Video Capture: displaying on FoxPro form frames and previewing video obtained from a digital camera
Verifying a file using the Authenticode policy provider
Winsock: resolving an address to a host name
GDI+: creating a gradient
How to display Windows On-Screen Keyboard
Using EnumPrinters function to enumerate locally installed printers
Generating random cryptographic keys
How to find which fonts Windows uses for drawing captions, menus and message boxes
Displaying icons in the system tray (VFP9)
Enumerating printer drivers installed
How to play MIDI notes
Downloading files from the FTP server using InternetReadFile
Retrieving configuration information for the specified workstation (Win2000/XP)
How to prevent users from accessing the Windows Desktop and from switching to other applications
How to view system icons for the classes installed on the local machine
Reading and setting system access privileges for the current process
Custom HttpRequest class (WinINet)
How to retrieve the size of a remote file (FTP)
How to display a Task Dialog (Vista)
Writing entries to custom Event Log
Yet another modal dialog: now HTML-based
Obtaining OS memory performance information
Creating the Open dialog box to specify the drive, directory, and name of a file to open
Winsock: connecting to a news server (NNTP, port 119)

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More code examples    Listed functions    Add comment     W32 Constants      Translate this page Printer friendly version of this code sample
Before you begin:
This sample shows how to retrieve a list of newsgroups stored on a news server. The base class contains practically all methods to extend this code for reading and posting messages to a newsgroup.



The code connects to NNTP server news.microsoft.com. Any other NNTP server can be used.
 
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9824 bytes  
Created: 2003-02-23 10:42:07  
Modified: 2011-12-10 09:20:22  
Visits in 7 days: 59  
Listed functions:
closesocket
gethostbyname
GlobalAlloc
GlobalFree
GlobalSize
htons
inet_addr
inet_ntoa
recv
send
socket
WSACleanup
WSACloseEvent
WSAConnect
WSACreateEvent
WSAEventSelect
WSAGetLastError
WSARecv
WSASend
WSAStartup
WSAWaitForMultipleEvents
Printer friendly API declarations
My comment:
Some useful links:
  • RFC977. Network News Transfer Protocol
  • Network News Transfer Protocol on freesoft.org
  • How to use Winsock Control in order to build Internet applications


    #kwd: sln_winsock.
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    User Contributed Notes:
    johnk@spectrumdata.com | 2006-05-15 15:39:40
    This example does not work. WS_Connect cannot find entry point in dll
    A.M. | 2006-05-15 16:11:30
    Replace line
    nResult = ws_connect(hSocket, @cBuffer, Len(cBuffer))

    with
    DECLARE INTEGER WSAConnect IN ws2_32;
        INTEGER s, STRING @sname, INTEGER namelen,;
        INTEGER lpCallerData, INTEGER lpCalleeData,;
        INTEGER lpSQOS, INTEGER lpGQOS

    nResult = WSAConnect(hSocket, @cBuffer, Len(cBuffer), 0, 0, 0, 0)

    It may work better.

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