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-=head1 NAME
-
-Win32 - Interfaces to some Win32 API Functions
-
-=head1 DESCRIPTION
-
-Perl on Win32 contains several functions to access Win32 APIs. Some
-are included in Perl itself (on Win32) and some are only available
-after explicitly requesting the Win32 module with:
-
- use Win32;
-
-The builtin functions are marked as [CORE] and the other ones
-as [EXT] in the following alphabetical listing. The C<Win32> module
-is not part of the Perl source distribution; it is distributed in
-the libwin32 bundle of Win32::* modules on CPAN. The module is
-already preinstalled in binary distributions like ActivePerl.
-
-=head2 Alphabetical Listing of Win32 Functions
-
-=over
-
-=item Win32::AbortSystemShutdown(MACHINE)
-
-[EXT] Aborts a system shutdown (started by the
-InitiateSystemShutdown function) on the specified MACHINE.
-
-=item Win32::BuildNumber()
-
-[CORE] Returns the ActivePerl build number. This function is
-only available in the ActivePerl binary distribution.
-
-=item Win32::CopyFile(FROM, TO, OVERWRITE)
-
-[CORE] The Win32::CopyFile() function copies an existing file to a new
-file. All file information like creation time and file attributes will
-be copied to the new file. However it will B<not> copy the security
-information. If the destination file already exists it will only be
-overwritten when the OVERWRITE parameter is true. But even this will
-not overwrite a read-only file; you have to unlink() it first
-yourself.
-
-=item Win32::DomainName()
-
-[CORE] Returns the name of the Microsoft Network domain that the
-owner of the current perl process is logged into. This function does
-B<not> work on Windows 9x.
-
-=item Win32::ExpandEnvironmentStrings(STRING)
-
-[EXT] Takes STRING and replaces all referenced environment variable
-names with their defined values. References to environment variables
-take the form C<%VariableName%>. Case is ignored when looking up the
-VariableName in the environment. If the variable is not found then the
-original C<%VariableName%> text is retained. Has the same effect
-as the following:
-
- $string =~ s/%([^%]*)%/$ENV{$1} || "%$1%"/eg
-
-=item Win32::FormatMessage(ERRORCODE)
-
-[CORE] Converts the supplied Win32 error number (e.g. returned by
-Win32::GetLastError()) to a descriptive string. Analogous to the
-perror() standard-C library function. Note that C<$^E> used
-in a string context has much the same effect.
-
- C:\> perl -e "$^E = 26; print $^E;"
- The specified disk or diskette cannot be accessed
-
-=item Win32::FsType()
-
-[CORE] Returns the name of the filesystem of the currently active
-drive (like 'FAT' or 'NTFS'). In list context it returns three values:
-(FSTYPE, FLAGS, MAXCOMPLEN). FSTYPE is the filesystem type as
-before. FLAGS is a combination of values of the following table:
-
- 0x00000001 supports case-sensitive filenames
- 0x00000002 preserves the case of filenames
- 0x00000004 supports Unicode in filenames
- 0x00000008 preserves and enforces ACLs
- 0x00000010 supports file-based compression
- 0x00000020 supports disk quotas
- 0x00000040 supports sparse files
- 0x00000080 supports reparse points
- 0x00000100 supports remote storage
- 0x00008000 is a compressed volume (e.g. DoubleSpace)
- 0x00010000 supports object identifiers
- 0x00020000 supports the Encrypted File System (EFS)
-
-MAXCOMPLEN is the maximum length of a filename component (the part
-between two backslashes) on this file system.
-
-=item Win32::FreeLibrary(HANDLE)
-
-[EXT] Unloads a previously loaded dynamic-link library. The HANDLE is
-no longer valid after this call. See L<LoadLibrary|Win32::LoadLibrary(LIBNAME)>
-for information on dynamically loading a library.
-
-=item Win32::GetArchName()
-
-[EXT] Use of this function is deprecated. It is equivalent with
-$ENV{PROCESSOR_ARCHITECTURE}. This might not work on Win9X.
-
-=item Win32::GetChipName()
-
-[EXT] Returns the processor type: 386, 486 or 586 for Intel processors,
-21064 for the Alpha chip.
-
-=item Win32::GetCwd()
-
-[CORE] Returns the current active drive and directory. This function
-does not return a UNC path, since the functionality required for such
-a feature is not available under Windows 95.
-
-=item Win32::GetFullPathName(FILENAME)
-
-[CORE] GetFullPathName combines the FILENAME with the current drive
-and directory name and returns a fully qualified (aka, absolute)
-path name. In list context it returns two elements: (PATH, FILE) where
-PATH is the complete pathname component (including trailing backslash)
-and FILE is just the filename part. Note that no attempt is made to
-convert 8.3 components in the supplied FILENAME to longnames or
-vice-versa. Compare with Win32::GetShortPathName and
-Win32::GetLongPathName.
-
-This function has been added for Perl 5.6.
-
-=item Win32::GetLastError()
-
-[CORE] Returns the last error value generated by a call to a Win32 API
-function. Note that C<$^E> used in a numeric context amounts to the
-same value.
-
-=item Win32::GetLongPathName(PATHNAME)
-
-[CORE] Returns a representation of PATHNAME composed of longname
-components (if any). The result may not necessarily be longer
-than PATHNAME. No attempt is made to convert PATHNAME to the
-absolute path. Compare with Win32::GetShortPathName and
-Win32::GetFullPathName.
-
-This function has been added for Perl 5.6.
-
-=item Win32::GetNextAvailDrive()
-
-[CORE] Returns a string in the form of "<d>:" where <d> is the first
-available drive letter.
-
-=item Win32::GetOSVersion()
-
-[CORE] Returns the array (STRING, MAJOR, MINOR, BUILD, ID), where
-the elements are, respectively: An arbitrary descriptive string, the
-major version number of the operating system, the minor version
-number, the build number, and a digit indicating the actual operating
-system. For ID, the values are 0 for Win32s, 1 for Windows 9X and 2
-for Windows NT. In scalar context it returns just the ID.
-
-=item Win32::GetShortPathName(PATHNAME)
-
-[CORE] Returns a representation of PATHNAME composed only of
-short (8.3) path components. The result may not necessarily be
-shorter than PATHNAME. Compare with Win32::GetFullPathName and
-Win32::GetLongPathName.
-
-=item Win32::GetProcAddress(INSTANCE, PROCNAME)
-
-[EXT] Returns the address of a function inside a loaded library. The
-information about what you can do with this address has been lost in
-the mist of time. Use the Win32::API module instead of this deprecated
-function.
-
-=item Win32::GetTickCount()
-
-[CORE] Returns the number of milliseconds elapsed since the last
-system boot. Resolution is limited to system timer ticks (about 10ms
-on WinNT and 55ms on Win9X).
-
-=item Win32::InitiateSystemShutdown
-
-(MACHINE, MESSAGE, TIMEOUT, FORCECLOSE, REBOOT)
-
-[EXT] Shutsdown the specified MACHINE, notifying users with the
-supplied MESSAGE, within the specified TIMEOUT interval. Forces
-closing of all documents without prompting the user if FORCECLOSE is
-true, and reboots the machine if REBOOT is true. This function works
-only on WinNT.
-
-=item Win32::IsWinNT()
-
-[CORE] Returns non zero if the Win32 subsystem is Windows NT.
-
-=item Win32::IsWin95()
-
-[CORE] Returns non zero if the Win32 subsystem is Windows 95.
-
-=item Win32::LoadLibrary(LIBNAME)
-
-[EXT] Loads a dynamic link library into memory and returns its module
-handle. This handle can be used with Win32::GetProcAddress and
-Win32::FreeLibrary. This function is deprecated. Use the Win32::API
-module instead.
-
-=item Win32::LoginName()
-
-[CORE] Returns the username of the owner of the current perl process.
-
-=item Win32::LookupAccountName(SYSTEM, ACCOUNT, DOMAIN, SID, SIDTYPE)
-
-[EXT] Looks up ACCOUNT on SYSTEM and returns the domain name the SID and
-the SID type.
-
-=item Win32::LookupAccountSID(SYSTEM, SID, ACCOUNT, DOMAIN, SIDTYPE)
-
-[EXT] Looks up SID on SYSTEM and returns the account name, domain name,
-and the SID type.
-
-=item Win32::MsgBox(MESSAGE [, FLAGS [, TITLE]])
-
-[EXT] Create a dialogbox containing MESSAGE. FLAGS specifies the
-required icon and buttons according to the following table:
-
- 0 = OK
- 1 = OK and Cancel
- 2 = Abort, Retry, and Ignore
- 3 = Yes, No and Cancel
- 4 = Yes and No
- 5 = Retry and Cancel
-
- MB_ICONSTOP "X" in a red circle
- MB_ICONQUESTION question mark in a bubble
- MB_ICONEXCLAMATION exclamation mark in a yellow triangle
- MB_ICONINFORMATION "i" in a bubble
-
-TITLE specifies an optional window title. The default is "Perl".
-
-The function returns the menu id of the selected push button:
-
- 0 Error
-
- 1 OK
- 2 Cancel
- 3 Abort
- 4 Retry
- 5 Ignore
- 6 Yes
- 7 No
-
-=item Win32::NodeName()
-
-[CORE] Returns the Microsoft Network node-name of the current machine.
-
-=item Win32::RegisterServer(LIBRARYNAME)
-
-[EXT] Loads the DLL LIBRARYNAME and calls the function DllRegisterServer.
-
-=item Win32::SetCwd(NEWDIRECTORY)
-
-[CORE] Sets the current active drive and directory. This function does not
-work with UNC paths, since the functionality required to required for
-such a feature is not available under Windows 95.
-
-=item Win32::SetLastError(ERROR)
-
-[CORE] Sets the value of the last error encountered to ERROR. This is
-that value that will be returned by the Win32::GetLastError()
-function. This functions has been added for Perl 5.6.
-
-=item Win32::Sleep(TIME)
-
-[CORE] Pauses for TIME milliseconds. The timeslices are made available
-to other processes and threads.
-
-=item Win32::Spawn(COMMAND, ARGS, PID)
-
-[CORE] Spawns a new process using the supplied COMMAND, passing in
-arguments in the string ARGS. The pid of the new process is stored in
-PID. This function is deprecated. Please use the Win32::Process module
-instead.
-
-=item Win32::UnregisterServer(LIBRARYNAME)
-
-[EXT] Loads the DLL LIBRARYNAME and calls the function
-DllUnregisterServer.
-
-=back
-
-=cut
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