Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Enumerating forms supported by a specified printer
How to create a service object
Obtaining the external IP address of local computer
Obtaining the System and Windows folder names
Setting default printer
GDI+: Using Scale and Shear transformations
Using ActiveX control for adding a menu directly to a FoxPro MDI form
Using Custom FTP class (DEFINE CLASS ftp As Custom)
Accessing the list of Windows Recent Documents
Finding the application, icon and friendly names associated with a file name
Retrieving list of supported paper names (for example, Letter or Legal) for a given printer
GDI+: custom Slider control
Using LoadLibrary
How to delete a service object
Testing Transparent Menu Class with top-level form (requires VFP9)
Basic Volume information
How to intercept window messages sent to VFP form
Retrieving current user for the process
Converting strings between ANSI and OEM
Retrieving default spooling directory name
Using the CopyFile
Determining if an Active Network Connection is Available
How to fill a buffer with random bytes using Cryptography API Functions
Retrieving national language settings
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: 25  
    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 2001-2014 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 (5.1.68), the Open Source standard SQL database, AceHTML Freeware Version 4, freeware HTML Editor of choice.   Hosted by Korax Online Inc.
    Last Topics Visited (
    4 sec.Example: 'Running MSDOS Shell as a child process with redirected input and output (smarter RUN command)'
    7 sec.Example: 'Displaying dimmed window behind VFP top-level form'
    12 sec.Function: 'GetDriveType'
    Function group: 'File Management'
    7.39 hrs.Example: 'The original LoadPicture() function in VFP returns valid handles to bitmaps, icons, cursors, and metafiles'
     Example: 'How to obtain Content-Type value for a file type from the System Registry'
     Example: 'Using WM_COPYDATA for interprocess communication (VFP9)'
    Function group: 'Raw Input'
    7.4 hrs.Function: 'HeapFree'
     Function: 'SQLTables'
    1 day(s)
    Function group: 'GDI+ Brush'
    Advertise here!