Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
How to find the application associated with a file name
How to run FoxPro application under different user name (impersonating user)
How to save registry key including its subkeys and values to a file
Obtaining MAC address through Address Resolution Protocol (ARP) request
PocketPC: custom RAPI class for executing routines on remote Windows CE device
Reading the structure of VFP main menu
The original LoadPicture() function in VFP returns valid handles to bitmaps, icons, cursors, and metafiles
Using the DeleteFile
Accessing examples contained in this reference from a VFP application
Adding printer to the list of supported printers for the specified server
Converting a hexadecimal string to an integer
Creating a unique filename based on existing filename
Creating an Open dialog box to specify the drive, directory, and name of a file to open (Shell32 version)
Creating hash values for the list of names
Creating two-byte hashes for a list of URLs
Displaying standard progress dialog box when copying files
Enumerating Processes -- Win9*
GetFocus returns a HWND value
How to view icons stored in executable files (Icon Viewer)
How to view system icons for the classes installed on the local machine
Locking the workstation
Obtaining Shell32.dll version
Printing text on the main VFP window
Quering waveform-audio output devices
Displaying printer-properties Property Sheet for the specified printer

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More code examples    Listed functions    Add comment     W32 Constants      Translate this page Printer friendly version of this code sample
#DEFINE PRINTER_ACCESS_ADMINISTER  4
#DEFINE PRINTER_ACCESS_USE         8
DO decl

LOCAL cPrinter, hPrinter, lcPrnDefaults

cPrinter = GetPrnName()  && default printer

* PRINTER_DEFAULTS structure
lcPrnDefaults = Repli(Chr(0),8) +;
    Chr(PRINTER_ACCESS_ADMINISTER) + Repli(Chr(0),3)

hPrinter = 0
IF OpenPrinter(cPrinter, @hPrinter, lcPrnDefaults) = 0
    ? "Error opening printer [" + cPrinter + "]"
    RETURN
ENDIF

= PrinterProperties(GetActiveWindow(), hPrinter)
= ClosePrinter(hPrinter)
* end of main

FUNCTION GetPrnName
* returns default printer name from Windows Registry
    LOCAL lcBuffer, lcPrinter, lcDriver, lcPort
    lcBuffer = Repli(Chr(0), 120)
    = GetProfileString("Windows", "Device", ",,,",;
        @lcBuffer, Len(lcBuffer))
    lcBuffer = STRTRAN(lcBuffer, Chr(0), "")
RETURN SUBSTR(lcBuffer, 1, AT(",", lcBuffer, 1)-1)

PROCEDURE decl
    DECLARE INTEGER OpenPrinter IN winspool.drv;
        STRING pPrinterName, INTEGER @phPrinter, STRING pDefault

    DECLARE INTEGER GetProfileString IN kernel32;
        STRING lpApp, STRING lpKey, STRING lpDefault,;
        STRING @lpReturnedString, INTEGER nSize

    DECLARE INTEGER ClosePrinter IN winspool.drv INTEGER hPrinter 
    DECLARE INTEGER GetActiveWindow IN user32

    DECLARE INTEGER PrinterProperties IN winspool.drv;
        INTEGER hWnd, INTEGER hPrinter



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1321 bytes  
Created: 2003-01-20 09:58:07  
Modified: 2003-11-05 15:47:01  
Visits in 7 days: 47  
Listed functions:
ClosePrinter
GetActiveWindow
GetProfileString
OpenPrinter
PrinterProperties
Printer friendly API declarations
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