Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Retrieving a handle to DLL and address of an exported function in it
Start an executable from VFP application by using the CreateProcess
URL: splitting into its component parts
Using FtpCommand
Writing entries to custom Event Log
Compressing and decompressing files with Windows API Runtime Library routines
Configuring DEVMODE structure for a printer
Creating a file, then moving it to another destination
Creating the Save dialog box to specify the drive, directory, and name of a file to save
Drawing cursors for the classes defined by the system (preregistered): BUTTON, EDIT, LISTBOX etc.
Enumerating forms supported by a specified printer
Enumerating ODBC Data Sources available on the local computer
Enumerating raw input devices attached to the system (keyboard, mouse, human interface device)
Enumerating the subkeys of a user-specific key
Establishing connection using the SQLDriverConnect
GDI+: custom Clock Control
GDI+: retrieving list of available image encoders and image decoders
GDI+: saving image of FoxPro form to graphics file (BMP, GIF, JPG, PNG, TIF)
GDI+: Storing content of the Clipboard to a bitmap file
How to display a dialog box with which the user can add a data source (DSN)
How to obtain the number of rows affected by remote UPDATE, INSERT or DELETE statement
How to view system icons for the classes installed on the local machine
Obtaining a handle to the desktop associated with the calling thread
Obtaining current Internet Explorer browser version and UserAgent
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: 18  
Listed functions:
ClosePrinter
GetActiveWindow
GetProfileString
OpenPrinter
PrinterProperties
Printer friendly API declarations
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Last Topics Visited (54.205.20.160)
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Function group: 'Windows Multimedia'
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Function group: 'Printing and Print Spooler'
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