Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Setting and retrieving the double-click time for the mouse
Generating sequential UUID values
Obtaining window class name for the main VFP window
Wininet last error description
Accessing the list of Windows Recent Documents
Converting characters to upper or lower case
Converting long file names to the short format and vice versa
Creating a file, then moving it to another destination
How to perform Base64 encoding/decoding using Cryptography API Functions
Pocket PC: enumerating mounted database volumes and databases in the Object Store
Using custom Simple MapiSendMail class
GDI+: custom control, base class
GDI+: Storing DLL icon resources in image files
How to get the path to a Special Folder
Reading data from INI files
Retrieving the name of the network resource associated with a local device
Converting path to original case
Converting strings between ANSI and OEM
Enumerating forms supported by a specified printer
GDI+: loading image file, drawing on it, saving the result to another file
How to start the screen saver and how to find whether the screen saver is active
Listing device drivers in the system: load addresses, names
Pocket PC: System Registry Viewer
Saying "Hello World!" with VFP and WinAPI
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
  • #DEFINE SC_MANAGER_ALL_ACCESS 0xF003F
    #DEFINE DELETE_SERVICE 0x00010000
    #DEFINE SERVICE_STOP 0x20
    #DEFINE SERVICE_CONTROL_STOP 1
    #DEFINE SERVICE_STATUS_SIZE 36
    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.
        ENDIF
    
        hService = OpenService(hManager, m.cServiceName,;
            BITOR(DELETE_SERVICE, SERVICE_STOP))
    
        IF hService = 0
            ? "Failed to obtain the handle to the service."
        ELSE
            * 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()
            ENDIF
            = CloseServiceHandle(m.hService)
        ENDIF
    
        = 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: 19  
    Listed functions:
    CloseServiceHandle
    ControlService
    DeleteService
    GetLastError
    OpenSCManager
    OpenService
    Printer friendly API declarations
    Word Index links for this example:
    Translate this page:
      Spanish    Portuguese    German    French    Italian  
    FreeTranslation.com 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 (54.226.60.235)
    19 sec.Example: 'Terminating all running applications from a VFP program'
    1.17 min.Function: 'CryptGetProvParam'
    Function group: 'Cryptography Reference'
    Google
    Advertise here!