Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Custom GDI+ class
Splash Screen for the VFP application
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Subclassing CommandButton control to create BackColor property
Vertical Label control
Storing content of the Clipboard to a bitmap file
How to make a VFP form fading out when released (GDI version)
How to put a vertical text scrolling on the form (a movie cast)
Printing text with the Escape function
How to play AVI file on the _screen
How to put a horizontal text scrolling on the form (a news line, marquee)
Storing screen shot of a form to bitmap file
Enumerating devices installed on the local machine
Bitmap Class for Visual FoxPro application
Custom FTP Class for Visual FoxPro application
Playing WAV sounds simultaneously
Enumerating Processes -- WinNT
Obtaining names and positions for shortcuts located on the Windows Desktop
Passing data records between VFP applications via the Clipboard
How to view icons stored in executable files (Icon Viewer) - II
Monitoring clipboard content changes (VFP9)
Copying picture of the active form to the Clipboard using Enhanced Metafile API functions
CryptoAPI: Collection of Providers class
GDI+: Implementing image scrolling with inertia
Reading and setting Environment variables

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  • One more way to retrieve environment strings
  • Creating INI file and adding strings to it
  • Storing environment strings in cursor
  • DECLARE INTEGER GetEnvironmentVariable IN kernel32;
        STRING lpName, STRING @lpBuffer, INTEGER nSize
    DECLARE INTEGER SetEnvironmentVariable IN kernel32;
        STRING lpName, STRING lpValue
    lcName = "DebugMode"
    ? _GetEnv (lcName)
    = _SetEnv (lcName, "True")
    ? _GetEnv (lcName)
    FUNCTION _GetEnv(lcName)
        LOCAL lcBuffer, lnResult
        lcBuffer = SPACE(1024)
        lnResult = GetEnvironmentVariable (lcName, @lcBuffer, Len(lcBuffer))
    RETURN  Iif(lnResult=0, "#nothing#", Left(lcBuffer, lnResult))
    FUNCTION _SetEnv(lcName, lcValue)
    RETURN SetEnvironmentVariable(lcName, lcValue) <> 0

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    588 bytes  
    Created: 2001-09-18 12:00:00  
    Modified: 2011-12-10 09:20:22  
    Visits in 7 days: 117  
    Listed functions:
    Printer friendly API declarations
    My comment:
    A reminder: any changes you made to environment variables are effective only for current VFP session.

    Every process, when created, acquires its own separate environment block. And to my knowledge there is no way of information exchange between two VFP instances through environment variables.

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    User Contributed Notes: | 2006-10-16 04:53:09
    How to change the length of field name from standard length ( 10 character length)

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