Using Win32 functions in Visual FoxPro Image Gallery
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Controlling master audio volume by sending WM_APPCOMMAND messages
GDI+: loading image file, drawing on it, saving the result to another file
Converting characters to upper or lower case
Using ActiveX control for adding a menu directly to a FoxPro MDI form
GDI+: Using Scale and Shear transformations
Searching for the specified file using the SearchPath
Using GetCompressedFileSize (WinNT only)
GDI+: Storing DLL icon resources in image files
List of ODBC drivers installed (read from the [ODBC Drivers] section)
Retrieving current user for the process
Using Shell for performing operations on files
Changing system colors
Determining whether or not the system is connected to the Internet
Testing Transparent Menu Class with top-level form (requires VFP9)
GDI+: custom Slider control
Retrieving national language settings
Using Video Capture: enumerating installed capture drivers
Using LoadLibrary
How to delete a service object

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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
    
    
    

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    1536 bytes  
    Created: 2006-09-30 13:56:37  
    Modified: 2006-09-30 13:59:02  
    Visits in 7 days: 24  
    Listed functions:
    CloseServiceHandle
    ControlService
    DeleteService
    GetLastError
    OpenSCManager
    OpenService
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