Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
GDI+: copying to the Clipboard (a) image of active FoxPro window/form, (b) image file
GDI+: Storing content of the Clipboard to a bitmap file
How to change display settings: screen resolution, screen refresh rate
GDI+: saving image of FoxPro form to graphics file (BMP, GIF, JPG, PNG, TIF)
Using FoxTray ActiveX control: System Tray Icon and menu attached to VFP form
Custom GDI+ class
How to convert a bitmap file to monochrome format (1 bpp)
GDI+: Implementing image scrolling with inertia
Using Video Capture: displaying on FoxPro form frames and previewing video obtained from a digital camera
Capturing keyboard activity of another application with the Raw Input API (VFP9)
Storing content of the Clipboard to a bitmap file
Retrieving the name of the primary domain controller (PDC) and join status information
How to put a horizontal text scrolling on the form (a news line, marquee)
How to display Windows On-Screen Keyboard
Custom HttpRequest class (WinHTTP)
How to detect if additional monitor is connected and active
Winsock: sending email messages (SMTP, port 25)
GDI+: creating scaled copy of image file
Extended MessageBox Class
The SQLGetProp() creates a bridge between Visual FoxPro and the ODBC API
How to create MD-5 and SHA-1 hash values from a string
Displaying the associated icons and descriptions for files and folders
Using EnumPrinters function to enumerate locally installed printers
Enumerating raw input devices attached to the system (keyboard, mouse, human interface device)
Enumerating the subkeys of a user-specific key

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
#DEFINE ERROR_SUCCESS             0
#DEFINE KEY_READ             131097
#DEFINE KEY_ALL_ACCESS       983103

* SHREGENUM_FLAGS
#DEFINE SHREGENUM_DEFAULT   0
#DEFINE SHREGENUM_HKCU      1  && current user
#DEFINE SHREGENUM_HKLM     16  && local machine
#DEFINE SHREGENUM_BOTH     17

DO decl

hKey = 0
lnResult = SHRegOpenUSKey ("Software", KEY_READ, 0, @hKey, 0)

IF lnResult <> ERROR_SUCCESS
    * 127 = ERROR_PROC_NOT_FOUND - means that path not found
    ? "Error code:", GetLastError()
    RETURN
ENDIF

CREATE CURSOR cs (keyname C(100))
dwIndex = 0

DO WHILE .T.
    lnNameSize = 250
    lcName = Repli (Chr(0), lnNameSize)

    IF SHRegEnumUSKey (hKey, dwIndex,;
        @lcName, @lnNameSize, SHREGENUM_HKCU) = ERROR_SUCCESS

        INSERT INTO cs VALUES (Left(lcName, lnNameSize))
        dwIndex = dwIndex + 1
    ELSE
        EXIT
    ENDIF
ENDDO
= SHRegCloseUSKey (hKey)

SELECT cs
INDEX ON keyname TAG keyname
GO TOP
BROW NORMAL NOWAIT
* end of main

PROCEDURE  decl
    DECLARE INTEGER GetLastError IN kernel32

    DECLARE INTEGER SHRegOpenUSKey IN shlwapi;
        STRING    pszPath,;
        INTEGER   samDesired,;
        INTEGER   hRelativeUSKey,;
        INTEGER @ phNewUSKey,;
        SHORT     fIgnoreHKCU

    DECLARE INTEGER SHRegCloseUSKey IN shlwapi INTEGER hUSKey

    DECLARE INTEGER SHRegEnumUSKey IN shlwapi;
        INTEGER   hUSKey,;
        INTEGER   dwIndex,;
        STRING  @ pszName,;
        INTEGER @ pcchName,;
        INTEGER   enumRegFlags


User rating: 0/10 (0 votes)
Rate this code sample:
  • ~
1455 bytes  
Created: 2001-09-02 12:00:00  
Modified: 2001-09-28 16:45:37  
Visits in 7 days: 33  
Listed functions:
GetLastError
SHRegCloseUSKey
SHRegEnumUSKey
SHRegOpenUSKey
Printer friendly API declarations
My comment:
Try some other path values, e.g. "Software\Microsoft"
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 2001-2014 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 (174.129.62.126)
3 sec.
6 sec.Example: 'How to retrieve adapter information for the local computer (including MAC address)'
30 sec.Example: 'How to access a file using not its name but an alias (hard link)'
37 sec.Function: 'SetFilePointerEx'
Function group: 'File Management'
43 sec.Example: 'Using the DeleteFile'
59 sec.Example: 'How to delete a service object'
2.05 min.
Function group: 'Raw Input'
4 day(s)Function: 'Shell_NotifyIcon'
Function group: 'Shell Functions'
 Example: 'Enumerating the subkeys of a user-specific key'
 Function: 'InternetCloseHandle'
Function group: 'Internet Functions (WinInet)'
Google
Advertise here!