Using Win32 functions in Visual FoxPro Image Gallery
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Memory Management
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CopyMemory
FillMemory
GetProcessHeap
GetProcessHeaps
GlobalAlloc
GlobalFree
GlobalLock
GlobalMemoryStatus
GlobalReAlloc
GlobalSize
GlobalUnlock
HeapAlloc
HeapCompact
HeapFree
HeapLock
HeapReAlloc
HeapSize
HeapUnlock
HeapValidate
HeapWalk
LocalAlloc
LocalFree
LocalSize
VirtualAllocEx
VirtualFreeEx
ZeroMemory
Code examples:
Adding and deleting Scheduled Tasks using NetScheduleJob API functions
Adding and deleting User Accounts
Adding printer to the list of supported printers for the specified server
Adding user-defined items to the Control Menu of VFP form (requires VFP9)
Attaching menu to a top-level form
Browsing Windows Known Folders (Special Folders)
Changing pitch and speed of a wave file
Class for sound recording
Compressing and decompressing files with Windows API Runtime Library routines
Converting command-line string to a set of Unicode argument strings (WinNT only)
Copying strings through the global memory block
Creating the Open dialog box to specify the drive, directory, and name of a file to open
Creating the Save dialog box to specify the drive, directory, and name of a file to save
Custom HttpRequest class (WinHTTP)
Deleting files into the Recycle Bin
Displaying dimmed window behind VFP top-level form
Displaying standard progress dialog box when copying files
Displaying system dialog that selects a folder
Dynamic strings implemented through VFP Custom class
Enhanced GetFont dialog
Enumerating forms supported by a specified printer
Enumerating network resources
Enumerating ports that are available for printing on a specified server
Enumerating print jobs and retrieving information for default printer (JOB_INFO_1 structures)
Enumerating printer drivers installed
Extensible Storage Engine class library
FindText -- the hopeless and useless Common Dialog
GDI+: reading and writing metadata in JPEG and TIFF files
How to assemble an array of strings and pass it to external function
How to browse and connect to printers on a network (WinNT)
How to convert a bitmap file to monochrome format (1 bpp)
How to delete IE cookies, clear IE history and delete files in Temporary Internet Files directory
How to display a user-defined icon in the MessageBox dialog
How to display advanced Task Dialog (Vista)
How to display the Print property sheet
How to display the Properties dialog box for a file (ShellExecuteEx)
How to enumerate cookies and URL History entries in the cache of the local computer
How to enumerate, add and delete shares on the local computer (WinNT/XP)
How to prevent users from accessing the Windows Desktop and from switching to other applications
How to print a bitmap file
How to print FoxPro form
How to remove a directory that is not empty
How to write and read Window Properties for the specified window
Loading a string resource from an executable file
MapiSendMail class for Visual FoxPro application
Mapping and disconnecting network drives
Obtaining addresses for the adapters on the local computer (Win XP/2003/Vista)
Obtaining list of tables stored in an ODBC Data Source
Passing data records between VFP applications via the Clipboard
Playing WAV sounds simultaneously
Printing Image File, programmatically set print page orientation to landscape
Quering Audio Mixer Device
Reading entries from Event logs
Reading the structure of VFP main menu
Sending email messages with Simple MAPI
Shortcut Menu Class
Simple printer queue monitor: deletes, pauses, resumes print jobs for local printer
Starting a dialog box for connecting to network resources and passing input parameters
Storing content of the Clipboard to a bitmap file
Storing screen shot of a form to bitmap file
Subclassing CommandButton control to create BackColor property
URL: splitting into its component parts
Using Change Notification Objects to monitor changes to the printer or print server
Using EnumPrinters function to enumerate locally installed printers
Using FillMemory
Using the ChooseColor function
Using WM_COPYDATA for interprocess communication (VFP9)
Verifying a file using the Authenticode policy provider
Vertical Label control
WAV file player
Windows Shell Icons displayed and exported to ICO files (Vista)
Winsock: connecting to a news server (NNTP, port 119)
Writing entries to custom Event Log
GlobalFree
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The GlobalFree function frees the specified global memory object and invalidates its handle
Code examples:
Using EnumPrinters function to enumerate locally installed printers
Custom HttpRequest class (WinHTTP)
How to print a bitmap file
Printing Image File, programmatically set print page orientation to landscape
How to convert a bitmap file to monochrome format (1 bpp)
Mapping and disconnecting network drives
Storing content of the Clipboard to a bitmap file
Sending email messages with Simple MAPI
How to print FoxPro form
Creating the Save dialog box to specify the drive, directory, and name of a file to save
Declaration:
 
HGLOBAL GlobalFree(
  HGLOBAL hMem   // handle to global memory object
);
 
FoxPro declaration:
 
DECLARE INTEGER GlobalFree IN kernel32;
    INTEGER hMem
 
Parameters:
hMem
[in] Handle to the global memory object
Return value:
If the function succeeds, the return value is NULL. If the function fails, the return value is equal to a handle to the global memory object.
Word Index links for the GlobalFree :
memory object
global memory
global memory object
function frees
frees the specified global memory object
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Created: 2001-07-12 12:00:00
Modified: 2004-08-14 17:40:36
Visited in last 7 days: 127
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