Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Finding the path to the VFP executable running
How to display a Task Dialog (Vista)
Reading header information from AVI file
GDI+: converting text strings to images and saving in a graphics file
Pocket PC: Folder Viewer
Retrieving configuration information for the specified workstation (Win2000/XP)
Retrieving country-specific dialing information from the Windows Telephony list of countries
Retrieving list of all active RAS connections
Validating URLs using moniker functions
Enumerating the subkeys for a given registry key
Pocket PC: enumerating mounted database volumes and databases in the Object Store
Power capabilities of the system: battery, UPS, sleep and hibernation modes, processor throttling
Retrieving Network Provider information
Retrieving the name of the network resource associated with a local device
Simple MAPI: how to pick an email recipient from Outlook Express address book
CryptoAPI: retrieving list of providers
Current directory of the application
Obtaining the System and Windows folder names
Closing Windows
Disabling drawing in the VFP form
How to delete file on FTP server
How to hide your program from the Close Program dialog (Win9* only)
Retrieving list of supported paper names (for example, Letter or Legal) for a given printer
Retrieving the state of your Internet connection
How to delete a service object

User rating: 0/10 (0 votes)
Rate this code sample:
  • ~
More code examples    Listed functions    Add comment     W32 Constants      Translate this page Printer friendly version of this code sample
Before you begin:
This code sample shows how to delete the service object created in How to create a service object code sample.

See also:
  • Encapsulating access to the Windows Services in a class
    DO declare
    DO DeleteWinService WITH "FriendlyService"
    FUNCTION DeleteWinService(cServiceName)
        LOCAL hManager, hService
        hManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS)
        IF m.hManager = 0
            ? "Call to OpenSCManager failed."
            RETURN .F.
        hService = OpenService(hManager, m.cServiceName,;
        IF hService = 0
            ? "Failed to obtain the handle to the service."
            * stop service if it is running
            LOCAL cStatusInfo
            cStatusInfo = REPLICATE(CHR(0), SERVICE_STATUS_SIZE)
            = ControlService(m.hService, SERVICE_CONTROL_STOP, @cStatusInfo)
            IF DeleteService(m.hService) = 0
                ? "DeleteService failed with error code", GetLastError()
            = CloseServiceHandle(m.hService)
        = CloseServiceHandle(m.hManager)
    * end of main
    PROCEDURE declare
        DECLARE INTEGER GetLastError IN kernel32
        DECLARE INTEGER CloseServiceHandle IN advapi32 INTEGER hSCObject
        DECLARE INTEGER OpenSCManager IN advapi32;
            STRING lpMachineName, STRING lpDatabaseName,;
            LONG dwDesiredAccess
        DECLARE INTEGER OpenService IN advapi32;
            INTEGER hSCManager, STRING lpServiceName,;
            LONG dwDesiredAccess
        DECLARE INTEGER DeleteService IN advapi32 INTEGER hService
        DECLARE INTEGER ControlService IN advapi32;
            INTEGER hService, LONG dwControl,;
            STRING @lpServiceStatus

    User rating: 0/10 (0 votes)
    Rate this code sample:
    • ~
    1536 bytes  
    Created: 2006-09-30 13:56:37  
    Modified: 2006-09-30 13:59:02  
    Visits in 7 days: 34  
    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 2001-2017 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 (5.6.36), the Open Source standard SQL database, AceHTML Freeware Version 4, freeware HTML Editor of choice.   Hosted by Korax Online Inc.
    Last Topics Visited (
    10 sec.Function: 'CeOpenDatabase'
    Function group: 'Remote Application Programming (RAPI)'
    20 sec.Function: 'NetMessageNameDel'
    Function group: 'Network Management'
    30 sec.Function: 'CryptHashData'
    Function group: 'Cryptography Reference'
    40 sec.Example: 'How to display Windows On-Screen Keyboard'
    Language: 'C++'
    50 sec.Function: 'CryptGetHashParam'
    Function group: 'Cryptography Reference'
    1 min.Function: 'WSAStartup'
    1.15 min.Function: 'GetMenuItemCount'
    1.3 min.Example: 'Retrieving graphic capabilities of your display'
    1.47 min.
    Function group: 'GDI+ StringFormat'
    1.6 min.Example: 'How to display Windows On-Screen Keyboard'
    Advertise here!