What Is Type Library And How Is It Related To The Registry?
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A Singh
Mar 29, 2013, 12:30:03 AM3/29/13
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Article Title: What Is Type Library And How Is It Related To The Registry?
Author: A Singh
Word Count: 555
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A Type Library is a software file that describes software interfaces in an operating system, typically Windows. It also describes co-classes, and other resources in a Common Object Model server. A type library file created by Visual Basic will always have a .TLB extension. The .TLB file is required by a client to connect to a server.
A type library can be thought of as a binary version of an IDL (interface Definition Language) file. Visual basic creates a type library when you create a VB server object, thus eliminating the need for an IDL file. A C-like language used to define interfaces and co-classes for COM. Ole View is a COM utility that reverse-engineers a type library into a readable form of IDL. IDL is used to provide language-independence for COM interfaces so that identical interfaces defined in VB, C++, and Java look the same in IDL even though they look different in the language used for implementation.
Other Types of Type Library
There is also the type library in the system that is used to display the type or font on the screen and printed document. This type or font library is located in the systems registry. Every time a program calls upon the type library top to display the font, the type library looks up the registry to locate the type that has to be displayed. If the type is not present in the library the page displays the default of the closest matching font for that type.
So What Is The System Registry?
The operating system must have the knowledge as to where to find certain files when the programs call on them for some function. This information was initially stored in the information folder denoted as INF in earlier versions of Windows primarily 95 and 98 first edition. Microsoft introduced the registry in windows 98 Second Edition to speed things up while loading and locating programs. But this can also slow the system down drastically. This Registry is a database used to store settings and options for the 32 bit versions of Microsoft Windows including Windows ME and NT/2000. The Registry contains information and settings for all the hardware, software, users, and preferences of the PC. This registry is constantly growing and updating itself. There will come a time when it will need to be cleaned. This can be done with one of the free XP registry cleaner if you are using XP or any other Microsoft free registry cleaner.
The physical files that make up the registry are stored differently depending on your version of Windows; under Windows 95 & 98 it is contained in two hidden files in your Windows directory, called USER.DAT and SYSTEM.DAT, for Windows Me there is an additional CLASSES.DAT file, while under Windows NT/2000 the files are contained separately in the SystemRootSystem32Config directory. You cannot edit these files directly, you must use a tool commonly known as a registry cleaner to make any changes in the Registry. It is in fact, advisable never to fool around with the Registry unless you have a trusted registry windows cleaner such as the PC registry cleaner or the Eusing free Registry cleaner which are available on many download sites free.
About The Author: Author is technical expert associated with development of softwares like Registry Cleaner, Anti Spyware, Window Cleaner, Anti Spam Filter. Visit home page: http://www.pcmantra.com. Read More at http://www.pcmantra.com/resourcecenter.aspx and http://www.pcmantra.com/registry-cleaner.htm.
Please use the HTML version of this article at:
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Message delivered directly to members of the group:
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*****************************************************************
Please consider this free-reprint article written by:
A Singh
*****************************
IMPORTANT - Publication/Reprint Terms
- You have permission to publish this article electronically in free-only publications such as a website or an ezine as long as the bylines are included.
- You are not allowed to use this article for commercial purposes. The article should only be reprinted in a publicly accessible website and not in a members-only commercial site.
- You are not allowed to post/reprint this article in any sites/publications that contains or supports hate, violence, porn and warez or any indecent and illegal sites/publications.
- You are not allowed to use this article in UCE (Unsolicited Commercial Email) or SPAM. This article MUST be distributed in an opt-in email list only.
- If you distribute this article in an ezine or newsletter, we ask that you send a copy of the newsletter or ezine that contains the article to http://www.isnare.com/eta.php?aid=135631
- If you post this article in a website/forum/blog, ALL links MUST be set to hyperlinks and we ask that you send a copy of the URL where the article is posted to http://www.isnare.com/eta.php?aid=135631
- We request that you ask permission from the author if you want to publish this article in print.
The role of iSnare.com is only to distribute this article as part of its Article Distribution feature ( http://www.isnare.com/distribution.php ). iSnare.com does NOT own this article, please respect the author's copyright and this publication/reprint terms. If you do not agree to any of these terms, please do not reprint or publish this article.
*****************************
Article Title: What Is Type Library And How Is It Related To The Registry?
Author: A Singh
Word Count: 555
Article URL: http://www.isnare.com/?aid=135631&ca=Computers+and+Technology
Format: 64cpl
Contact The Author: http://www.isnare.com/eta.php?aid=135631
Easy Publish Tool: http://www.isnare.com/html.php?aid=135631
*********************** ARTICLE START ***********************
A Type Library is a software file that describes software interfaces in an operating system, typically Windows. It also describes co-classes, and other resources in a Common Object Model server. A type library file created by Visual Basic will always have a .TLB extension. The .TLB file is required by a client to connect to a server.
A type library can be thought of as a binary version of an IDL (interface Definition Language) file. Visual basic creates a type library when you create a VB server object, thus eliminating the need for an IDL file. A C-like language used to define interfaces and co-classes for COM. Ole View is a COM utility that reverse-engineers a type library into a readable form of IDL. IDL is used to provide language-independence for COM interfaces so that identical interfaces defined in VB, C++, and Java look the same in IDL even though they look different in the language used for implementation.
Other Types of Type Library
There is also the type library in the system that is used to display the type or font on the screen and printed document. This type or font library is located in the systems registry. Every time a program calls upon the type library top to display the font, the type library looks up the registry to locate the type that has to be displayed. If the type is not present in the library the page displays the default of the closest matching font for that type.
So What Is The System Registry?
The operating system must have the knowledge as to where to find certain files when the programs call on them for some function. This information was initially stored in the information folder denoted as INF in earlier versions of Windows primarily 95 and 98 first edition. Microsoft introduced the registry in windows 98 Second Edition to speed things up while loading and locating programs. But this can also slow the system down drastically. This Registry is a database used to store settings and options for the 32 bit versions of Microsoft Windows including Windows ME and NT/2000. The Registry contains information and settings for all the hardware, software, users, and preferences of the PC. This registry is constantly growing and updating itself. There will come a time when it will need to be cleaned. This can be done with one of the free XP registry cleaner if you are using XP or any other Microsoft free registry cleaner.
The physical files that make up the registry are stored differently depending on your version of Windows; under Windows 95 & 98 it is contained in two hidden files in your Windows directory, called USER.DAT and SYSTEM.DAT, for Windows Me there is an additional CLASSES.DAT file, while under Windows NT/2000 the files are contained separately in the SystemRootSystem32Config directory. You cannot edit these files directly, you must use a tool commonly known as a registry cleaner to make any changes in the Registry. It is in fact, advisable never to fool around with the Registry unless you have a trusted registry windows cleaner such as the PC registry cleaner or the Eusing free Registry cleaner which are available on many download sites free.
About The Author: Author is technical expert associated with development of softwares like Registry Cleaner, Anti Spyware, Window Cleaner, Anti Spam Filter. Visit home page: http://www.pcmantra.com. Read More at http://www.pcmantra.com/resourcecenter.aspx and http://www.pcmantra.com/registry-cleaner.htm.
Please use the HTML version of this article at:
http://www.isnare.com/html.php?aid=135631
*********************** ARTICLE END ***********************
- To distribute your articles go to http://www.isnare.com/distribution.php
- For more free-reprint articles go to http://www.isnare.com
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