Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Using FlashWindowEx to flash the taskbar button of the VFP application
Using Path functions from Shell Lightweight Utility APIs (shlapi.dll)
Using the heap of the calling process to allocate memory blocks
Creating an Open dialog box to specify the drive, directory, and name of a file to open (Shell32 version)
Deleting files into the Recycle Bin
Displaying all TCP connections for the local system
Displaying Windows shell folders in TreeView control with Visual FoxPro FLL
How to assemble an array of strings and pass it to external function
How to find the application associated with a file name
How to generate GUID values
How to hot-track menu item selection in top-level form (requires VFP9)
How to initiate System shutdown
How to make the caption of a VFP application flashing in the Windows task bar
How to remove a directory that is not empty
HOWTO: Use the Win32 API to Access File Dates and Times
Monitoring changes occurring within a directory
Obtaining I/O counts for the current process
Obtaining the System and Windows folder names
Peer-to-peer LAN messenger built with Mailslot API functions
Quering a waveform-audio input device
Reading entries from Event logs
Retrieving local computer and user names
Retrieving the System Time adjustment
Returning some basic information for the specified INF file
Displaying printer-properties Property Sheet for the specified printer

User rating: 1/10 (2 votes)
Rate this code sample:
  • ~
More code examples    Listed functions    Add comment     W32 Constants      Translate this page Printer friendly version of this code sample
DO decl

LOCAL cPrinter, hPrinter, lcPrnDefaults

cPrinter = GetPrnName()  && default printer

lcPrnDefaults = Repli(Chr(0),8) +;
    Chr(PRINTER_ACCESS_ADMINISTER) + Repli(Chr(0),3)

hPrinter = 0
IF OpenPrinter(cPrinter, @hPrinter, lcPrnDefaults) = 0
    ? "Error opening printer [" + cPrinter + "]"

= PrinterProperties(GetActiveWindow(), hPrinter)
= ClosePrinter(hPrinter)
* end of main

* returns default printer name from Windows Registry
    LOCAL lcBuffer, lcPrinter, lcDriver, lcPort
    lcBuffer = Repli(Chr(0), 120)
    = GetProfileString("Windows", "Device", ",,,",;
        @lcBuffer, Len(lcBuffer))
    lcBuffer = STRTRAN(lcBuffer, Chr(0), "")
RETURN SUBSTR(lcBuffer, 1, AT(",", lcBuffer, 1)-1)

    DECLARE INTEGER OpenPrinter IN winspool.drv;
        STRING pPrinterName, INTEGER @phPrinter, STRING pDefault

    DECLARE INTEGER GetProfileString IN kernel32;
        STRING lpApp, STRING lpKey, STRING lpDefault,;
        STRING @lpReturnedString, INTEGER nSize

    DECLARE INTEGER ClosePrinter IN winspool.drv INTEGER hPrinter 
    DECLARE INTEGER GetActiveWindow IN user32

    DECLARE INTEGER PrinterProperties IN winspool.drv;
        INTEGER hWnd, INTEGER hPrinter

User rating: 1/10 (2 votes)
Rate this code sample:
  • ~
1321 bytes  
Created: 2003-01-20 09:58:07  
Modified: 2003-11-05 15:47:01  
Visits in 7 days: 27  
Listed functions:
Printer friendly API declarations
Word Index links for this example:
Translate this page:
  Spanish    Portuguese    German    French    Italian offers instant, free translations of text or web pages.
User Contributed Notes:
There are no notes on this subject.

Copyright 2001-2015 News2News, Inc. Before reproducing or distributing any data from this site please ask for an approval from its owner. Unless otherwise specified, this page is for your personal and non-commercial use. The information on this page is presented AS IS, meaning that you may use it at your own risk. Microsoft Visual FoxPro and Windows are trade marks of Microsoft Corp. All other trademarks are the property of their respective owners. 

Privacy policy
Credits: PHP (4.4.9), an HTML-embedded scripting language, MySQL (5.5.44), the Open Source standard SQL database, AceHTML Freeware Version 4, freeware HTML Editor of choice.   Hosted by Korax Online Inc.
Last Topics Visited (
19 sec.Example: 'Retrieving information specific to the current Time Zone'
1.18 min.Function: 'CryptDestroyKey'
Function group: 'Cryptography Reference'
Advertise here!