Using Win32 functions in Visual FoxPro Image Gallery
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Retrieving list of supported paper names (for example, Letter or Legal) for a given printer
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Reading current hardware profile
Retrieving information about MS-DOS device names using QueryDosDevice (WinNT only)
Retrieving window and menu help context identifiers
Converting characters to upper or lower case
Converting path to original case
Reading keys in the specified section of the Win.ini file

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More code examples    Listed functions    Add comment     W32 Constants      Translate this page Printer friendly version of this code sample
Before you begin:
Determine that Simple MAPI is available by checking the [MAIL] section in the computer"s WIN.INI file for the MAPI entry. This entry will have a value of 1 if Simple MAPI is installed, or 0 if uninstalled:



*lcSection = "Windows"  && section name
lcSection = "Mail"  && section name

lcKeys = getKeysString (lcSection)

CREATE CURSOR csWinIni (keyname C(30), keyvalue C(200))

lcKey = ""
FOR ii=1 TO Len(lcKeys)
    ch = SUBSTR (lcKeys, ii,1)
    IF ch = Chr(0)
        lcValue = GetKeyValue(lcSection, lcKey)
        INSERT INTO csWinIni VALUES (lcKey, lcValue)
        lcKey = ""
    ELSE
        lcKey = lcKey + ch
    ENDIF
ENDFOR

SELECT csWinIni
GO TOP
BROW NORMAL NOWAIT

FUNCTION  getKeysString (lcSection)
* returns all key names found in this section
* delimited with zero character

    * Notice that lpKeyName declared as INTEGER 
    * to emulate an empty key name

    DECLARE INTEGER GetProfileString IN kernel32;
        STRING   lpAppName,;
        INTEGER  lpKeyName,;
        STRING   lpDefault,;
        STRING @ lpReturnedString,;
        INTEGER  nSize

    nSize = 1024
    lpReturnedString = Repli (Chr(0), nSize)

    lnResult = GetProfileString (lcSection, 0, "#empty#",;
        @lpReturnedString, nSize)
RETURN  Left(lpReturnedString, lnResult)

FUNCTION  GetKeyValue (lcSection, lcKey)

    * Notice that lpKeyName declared as STRING
    * because here we have a string value
    * supplied to this procedure

    DECLARE INTEGER GetProfileString IN kernel32;
        STRING   lpAppName,;
        STRING   lpKeyName,;
        STRING   lpDefault,;
        STRING @ lpReturnedString,;
        INTEGER  nSize

    nSize = 4096
    lpReturnedString = Repli (Chr(0), nSize)

    lnResult = GetProfileString (lcSection, lcKey, "#empty#",;
        @lpReturnedString, nSize)
RETURN  Left(lpReturnedString, lnResult)


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1546 bytes  
Created: 2001-09-04 12:00:00  
Modified: 2002-12-30 17:38:51  
Visits in 7 days: 34  
Listed functions:
GetProfileString
Printer friendly API declarations
My comment:
A section in the Win.ini file must have the following form:
[section]
key=string


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