Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
PocketPC: custom RAPI class for executing routines on remote Windows CE device
Reading the state of mouse buttons within DO WHILE loop
Reading VFP settings from the Windows Registry
Terminating all running applications from a VFP program
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Displaying the drive type value
Form Magnifier
Shortcut Menu Class
Start an executable from VFP application by using the CreateProcess
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Displaying system dialog that selects a folder
Enumerating Processes -- Win9*
Obtaining MAC address through Address Resolution Protocol (ARP) request
Quering Audio Mixer Device
Using shared memory to exchange data between applications (processes)
Connecting a local device to a network resource
Get the power status of your laptop computer
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Retrieving graphic capabilities of default printer
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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
DO decl

LOCAL cPrinter, hPrinter, lcPrnDefaults

cPrinter = GetPrnName()  && default printer

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 + "]"

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

* 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)

    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: 57  
Listed functions:
Printer friendly API declarations
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4 sec.Example: 'Attaching menu to a top-level form'
8 sec.Function: 'StartPage'
Function group: 'Printing and Print Spooler'
11 sec.Function: 'CeDeleteFile'
Function group: 'Remote Application Programming (RAPI)'
14 sec.Function: 'GdipDrawRectangle'
17 sec.Function: 'SendMessage'
20 sec.
Function group: 'Device Context'
24 sec.Example: 'Running MSDOS Shell as a child process with redirected input and output (smarter RUN command)'
28 sec.Function: 'GdipNewInstalledFontCollection'
31 sec.Example: 'PocketPC: custom RAPI class for executing routines on remote Windows CE device'
34 sec.
Function group: 'Process and Thread'
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