Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Drawing icons associated with the VFP main window
Enumerating network interfaces on the local computer
Enumerating ODBC Data Sources available on the local computer
Enumerating ODBC drivers available on the local computer
FindText -- the hopeless and useless Common Dialog
Getting a bit more than the _CLIPTEXT offers
How to detect if additional monitor is connected and active
How to remove a directory that is not empty
Printing text with the Escape function
Retrieving the command line for the VFP session
Testing Clipboard functions: emptying the clipboard
Accessing examples contained in this reference from a VFP application
Accessing examples contained in this reference through Web Services
Adding an ODBC data source with the SQLConfigDataSource; use automatic or interactive mode
Converting an HTTP time/date string to a SYSTEMTIME structure
Displaying animated images on FoxPro form with BitBlt and StretchBlt functions
Downloading files from the FTP server using InternetReadFile
Drawing standard Windows icons
How to display the port-configuration dialog box for a port on the specified server
Obtaining heap handles and enumerating memory blocks for the current VFP session (WinNT only)
Obtaining list of tables stored in an ODBC Data Source
Quering Audio Mixer Device
Retrieving file information for the VFP executable running
Retrieving Window Class information for the VFP window
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: 60  
Listed functions:
ClosePrinter
GetActiveWindow
GetProfileString
OpenPrinter
PrinterProperties
Printer friendly API declarations
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