Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Storing registration key in the resources of an executable file
Using the CreateFile
Validating URLs using moniker functions
Winsock: retrieving information about available transport protocols
Copying strings through the global memory block
FindText -- the hopeless and useless Common Dialog
How to display a dialog box with which the user can add a data source (DSN)
How to hot-track menu item selection in top-level form (requires VFP9)
Listing INF files in a specified directory
Obtaining information about all user accounts on a server (WinNT only)
Retrieving long values associated with the class of the VFP window
Retrieving the command line for the VFP session
Running a regular FoxPro form while main VFP window is minimized
Starting a dialog box for connecting to network resources (mapping network drive)
Starting an external application in VFP using WinExec
URL: splitting into its component parts
Changing file attributes
Changing pitch and speed of a wave file
Comparing file times
Creating a directory on the FTP
Enumerating network sessions established on a server
Enumerating the subkeys for a given registry key
Number of clipboard formats available
Start an executable from VFP application by using the CreateProcess
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: 79  
Listed functions:
Printer friendly API declarations
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