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Topic: DLLs


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In the News (Mon 6 Jul 09)

  
  DataFlex and DLLs
A Windows DLL is built under one of two memory models, 16-bit or 32-bit, just like an executable.
The DLL does not unload until all processes using the DLL have terminated.
The DLL function is called properly but is not working at the C/C++ level.
www.dataaccess.com /whitepapers/DataFlex_And_DLLs.htm   (3442 words)

  
 Creating Excel DLLs
I'm trying to create a DLL for Excel on Mac OS X but any guide or tutorial on the net seems to be completely focussed on Windows.
A DLL, to my understanding, is an OS thing, and yes, the Mac uses linked libraries, but I am certain they are structurally different than the Windoze codebase.
Another advantage of dlls is the ability to share a tool with someone else without revealing the code behind it.
www.daniweb.com /techtalkforums/thread14320.html   (573 words)

  
 Delphi: Using or Writing DLLs- Dt3k
Users must have both the dll and the program that uses the things in it on their system, but, once they do, using the program which uses the things in the dll works just like using any other program.
A dll could be created which would encapsulate all of the "messy bits", and all any programmer would need to know is how to call the relevant routines within the dll.
DLLs are also written when a supplier wants to keep control of aspects of their work.
sheepdogguides.com /dt3k.htm   (2327 words)

  
 D Programming Language - Writing Win32 DLLs
If the DLL presents a C interface, one would assume the reason for that is to connect with code written in other languages.
Having DLLs in D be able to talk to each other as if they were statically linked together is, of course, very desirable as code between applications can be shared, and different DLLs can be independently developed.
The DLL is loaded with a call to LoadLibraryA(), and each exported function has to be retrieved via a call to GetProcAddress().
digitalmars.com /d/dll.html   (1439 words)

  
 Unicode Compatible Windows DLL for Bar Code Fonts
The purpose of this Font DLL is to return a string formatted to one of our barcode fonts.
Because the DLL is Global Multi-Use, methods of the class (barcode functions) can be invoked as if they were global functions.
Licensing: Our ActiveX Font DLL is free to use and distribute with your application as long as you are using it with one of our licensed barcode fonts.
www.idautomation.com /fonts/tools/activexdll   (2767 words)

  
 GameDev.net - Using Interfaces with Dlls   (Site not responding. Last check: 2007-10-07)
The issue is that DLLs use standard C-style linkage while C++ code generates C++ style linkage with different name decoration so you can't directly export member functions from a C++ class and then call them from client code.
If all you need is to make the DLL aware of any of these events, then this is all you should need.
When you compile the DLL the MYFIRSTDLL_EXPORTS symbol is defined, and the __declspec(dllexport) keyword is prefixed to classes/variables or functions you want to be exported.
www.gamedev.net /reference/articles/article928.asp   (1518 words)

  
 Chapter 19 -- VBScript and DLLs   (Site not responding. Last check: 2007-10-07)
A DLL is usually written using C or C++, which is a big advantage because it provides speed and efficiency.
Using DLLs to handle numeric-intensive tasks, while using your favorite GUI tool for the user interface of your application, is highly recommended as it offers code modularity, speed, and efficiency.
Because DLL procedures reside in a file external to your application, you have to give your application some information so that it can find and execute the DLL procedures you want to use.
docs.rinet.ru:8080 /VB/ch19.htm   (3717 words)

  
 Chris & Tim's RAD Web Site: Writing Dynamic Link Libraries
A DLL can be organized such that only required parts are loaded as opposed to the entire DLL.
Every DLL must contain a LibMain function and should contain a Windows Exit Procedure (WEP) in addition to the exported functions that can be called by the executable program.
The easiest solution to this problem is to build the DLL in the large memory model where all variables are referenced by a 32-bit value.
www.zetnet.co.uk /rad/dll.html   (2116 words)

  
 Writing Win32 Dynamic Link Libraries (DLLs) and Calling Them from LabVIEW - Tutorial - Development Library - National ...
Because a DLL uses a format that is standard among several development environments, you should be able to use almost any development environment to create a DLL that LabVIEW can call.
DLLs link to an application when the application is run, rather than when it is created.
DLL functions either assume the data is of a specific size or expect the size to be passed as a separate input.
zone.ni.com /devzone/conceptd.nsf/webmain/5CF9A9FFD774028586256869005FF2ED?opendocument   (3587 words)

  
 Keeping track of the dlls
DLLs are also essential when creating APIs since they will let you call code written by other developers even if there is no source code.
If you are really unfortunate, some library you are using could even decide to load a DLL five minutes after starting the application.
You can also search for a specific DLL to find out exactly which processes are currently using it.
www.liutilities.com /products/wintaskspro/whitepapers/paper4   (768 words)

  
 Annoyances.org - DLLs (Windows XP Discussion Forum)   (Site not responding. Last check: 2007-10-07)
How can you kill dlls in XP or is there software that can list all dlls and kill the ones I want.
The reason is I am asking is that I occasionally run into spyware that has the dlls constantly running replicating other files and until I kill a certain dll, it will not go away.
Most of the time I reboot in safe mode and the dll does not load and I manually delete, but one time this did not work and it was hell removing it.
www.annoyances.org /exec/forum/winxp/1111731184   (157 words)

  
 Free Dlls Software
DLL Explorer is a 32-bit utility program for Windows 95/98 and Windows NT 4.
It also allows you to change installed DLL versions for other versions of the same DLL that were on the PC at the time DLLAide(TM) utility software was first installed, or that have been subsequently installed.
Thinstall allows developers to securely pack an entire application suite into a single EXE file that is able to run directly without decompressing to disk.
www.tversoft.com /computer/dlls.html   (645 words)

  
 Annoyances.org - re: Missing Dlls and Active X missing (Windows Me Discussion Forum)
All of the Widows ME DLLs can be extracted from the system CAB files in C:\Windows\Options\Install folder.
Active-X should not be problem as they will download when you need them from the web sites, unless you have security settings set too high and are blocking their download.
Have you checked for Spyware/Adware as these often cause error messages when their DLLs are not accessible.
www.annoyances.org /exec/forum/winme/1074188963   (156 words)

  
 WINE/WINDOWS DLLs
If a library tries to access features of the rest of the system that are not fully implemented in Wine, the native DLL might work much worse than the corresponding built-in one, if at all.
Using the DLL sections from the wine configuration file, the load order can be tweaked to a high degree.
The default load order follows this algorithm: for all DLLs which have a fully-functional Wine implementation, or where the native DLL is known not to work, the built-in library will be loaded first.
www.sdconsult.no /linux/wine-doc/arch-dlls.html   (721 words)

  
 CodeGuru: Separating the views of an MDI application into different DLLs   (Site not responding. Last check: 2007-10-07)
The only catch is all DLLs that the HOST application can load must export a function by called Init().
At runtime, the HOST application loads the DLL & collects information from the INI file such as its CMultiDocTemplate pointer, the handle to the image to be displayed on the menu and string to be displayed on the menu to invoke the view.
It is inside this function that the DLL returns it's identity to the HOST application.
www.codeguru.com /Cpp/W-D/doc_view/viewmanagement/article.php/c3349   (590 words)

  
 Dynamic Linking Libraries
I know you came here to read about DLLs (Dynamic Linking Libraries) and didn't expect to be confronted with a fairy tale, but my point is there is a connection between fairy tales and the DLL system.
If the DLL replaced another with the same name, then the code in the DLL would be exhaustively tested, so that on replacement, other applications could use it in the same way as its predecessor.
The new DLL version has routines that (1) are required by my program, and (2) do not exist in the earlier versions.
www.arachnoid.com /lutusp/dll_article.html   (926 words)

  
 Page of DragonZap's mIRC DLLs   (Site not responding. Last check: 2007-10-07)
These DLLs are all free for you to use in your scripts and don't require my permission or anything, although if you do use them, I'd love to hear about it.
Scripts and DLLs are two different things that just happen to work together here.
Done in a style similar to the MCI DLL (with the OK and ERROR responses).
www.dim-bulb.net /~dragonzap/dlls   (1295 words)

  
 Calvin Hsia's WebLog : Undocumented APIs and 16 bit DLLs
It hasn’t been enhanced much since the early 90’s, since the DECLARE DLL command allowed easier access to calling DLLs and COM became a better way to call components.
If you recall, these were all 16 bit DLLs, which means the CPU had to switch to a different mode to run the code in them.
I'm sure there are a few people out there that have some ancient legacy DLLs they need to call, but hey I figure if you really need it dig out an old copy of VFP and use FoxTools from there ...
blogs.msdn.com /calvin_hsia/archive/2005/01/26/361033.aspx   (994 words)

  
 Kinds of DLLs (Visual C++ Concepts)
If your DLL will be using MFC, and will be used by either MFC or non-MFC applications, then you must build either a regular DLL that dynamically links to MFC or a regular DLL that statically links to MFC.
In most cases, you will probably want to use a regular DLL that dynamically links to MFC because the file size of the DLL will be much smaller and the savings in memory from using the shared version of MFC can be significant.
Building a DLL that dynamically links to MFC is faster than building a DLL that statically links to MFC because it is not necessary to link MFC itself.
msdn.microsoft.com /library/en-us/vccore/html/vcconkindsofdlls.asp?FRAME=true   (571 words)

  
 Working with the AppInit_DLLs registry value
All the DLLs that are specified in this value are loaded by each Microsoft Windows-based application that is running in the current log on session.
The AppInit DLLs are loaded by using the LoadLibrary() function during the DLL_PROCESS_ATTACH process of User32.dll.
Because of their early loading, only API functions that are exported from Kernel32.dll are safe to use in the initialization of the AppInit DLLs.
support.microsoft.com /default.aspx?scid=kb;en-us;197571   (293 words)

  
 The dos and don'ts of DLLs   (Site not responding. Last check: 2007-10-07)
The classic answer to the question, by the way, straight from MS training, common sense, and cant is that DLLs exist to provide easy access to shared functionality, particularly when numerous processes might benefit from using the same sorts of services and capabilities.
To me, this indicates that separating DLLs to isolate independent functionality is good, but that one should avoid creating too many small DLLs to carry that principle to its ultimate expression.
Thus, while DLLs can help to provide ready access to shared structures and support clean isolation of discrete functions (these are good things) you'll have to balance those characteristics against potential performance issues involved when writing your DLLs to disk and in selecting how many DLLs to create.
searchsecurity.techtarget.com /tip/1,289483,sid8_gci1033966,00.html   (660 words)

  
 Decode Encode DLL - Funduc Software
The DLL will decode the file(s) either in the current directory or in one specified by the user.
The Decode/Encode DLL is oriented toward attachment decoding.
A 16 bit DLL is no longer actively supported but available for special order.
www.funduc.com /decenc.htm   (487 words)

  
 MathViews - Extending MathViews with DLLs
The MathViews DLL interface allows you to add your own functions to MathViews and/or use MathViews as the controlling program in your application.
The sequence in which the function names are given determines the index MathViews will pass to the DLL when the functions are called.
The DLL can use MathViews services by executing callbacks, that is, calling MathViews functions by their pointers.
www.glue.umd.edu /~NSW/mathviews/mathv07.htm   (879 words)

  
 Custom functions in DLLs
Standard DLL format and calling conventions often require you to refer to programmer documentation and cope with API calls to Windows.
The additional resources can be stored either with the DLL or separately, and they remain transparent to other programs that have access to the DLL.
Because files for DLLs are separate from the files that call them, they must be in the folders specified in the search path.
livedocs.macromedia.com /authorware/7/using_aw_en/09_var40.htm   (327 words)

  
 ASPN : Python Cookbook : General Class for interfacing with Windows .DLLs   (Site not responding. Last check: 2007-10-07)
This is a base class that you use to define your class (and methods for each function).
It uses Sam Rushings calldll, cstring and membuf modules but I think it will make interfacing with any DLL much easier for the beginner (especially for the first time).
Define methods for each function of # the DLL that you wish to implement.
aspn.activestate.com /ASPN/Cookbook/Python/Recipe/146847   (482 words)

  
 Building DLLs using C on gnu-win32   (Site not responding. Last check: 2007-10-07)
This will also create libfoo_dll.a, which is the library that applications that use the DLL must be linked with.
Accessing global data in DLLs requires some additional work, but is it still very easy.
It is rumoured that building DLLs on Windows 95 is unreliable, because of problems with lseek() past the end of a file resulting in the file containing garbage rather than zeroes.
www.cs.mu.oz.au /%7Efjh/gnu-win32/how-to-build-dlls.html   (654 words)

  
 Download the Visual Basic 6 Runtime library (vb6 dll)
The Visual Basic 6 SP6 runtime library, also called vb6 runtime files or vbrun dll set, are required to run programs that were written in Visual Basic 6.
It can be difficult to know whether a program needs these files because often an author fails to mention it in the help files or documentation.
After you have downloaded the file, simply run it and the files will be copied to their correct location.
www.softwarepatch.com /windows/vbrun6.html   (225 words)

  
 DLL to Lib - Convert DLLs into static libraries. Convert DLL to Library.
In the conversion process, a programming interface identical to the export functions in the DLL is introduced for developers.
And the necessary symbol tables, string tables and reference tables are also reconstructed from the DLL to make a valid and portable static library.
Perform cross check between the DLL's import lib and the generated static lib so to eliminate the potential inconsistency.
www.binary-soft.com /dll2lib/dll2lib.htm   (208 words)

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