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What is the .TLB File Extension?

.TLB File Extension Description:

The TLB file extension identifies a Type Library file that is used in the development and operation of software programs. The applications Borland Developer Studio and Microsoft Studio uses the TLB file extension for object linking and embedding when developing certain software.

The file with .tlb file extension is most commonly known as a Borland type library. Borland is an application for creating software and is popularly recognized for its easy-to-use tools packaged in the C++ language program called CodeGear.

User interface data is usually stored in files with the .tlb file extension which is very important in building applications that are technically sound. A file with the .tlb file extension provides an essential element of a component, where vital information about the component is sent to the developer.

Whenever a component is created, the TLB file extension contains the type library information required that could either be about the classes, interfaces, enumerations and others that are included in the component. Contents of the type library for a component are compiled into a separate TLB file extension.

The TLB file extension can be embedded into other files such as DLL or EXE files. This capability is possible because TLB file extensions are formatted to contain objects that are linked together. The Borland application makes use of the TLB file extension to implement interfaces. There are TLB file extensions that, in C++ language, are used to declare variables and, as such, are crucial when writing applications.

When using the Visual Basic compiler, information needed for creating a certain component can be stored as files with the .tlb file extension. The VB compiler compiles the TLB file extension so that data will be readily available about the component and thus make early binding of types possible.

VB has also recently come out with more advanced compilers such as Intellisense, which makes referencing the TLB file extension easily accessible. This application has the TLB file extension characterized by design-time features that are type-dependent.

Author: Borland Software, Inc.
Author URL:
Related Applications: Borland Developer Studio, Microsoft Studio, Visual Basic C++
Common Path: N/A


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Do you have errors with .TLB files?

The Cause for .TLB files Errors:

When experiencing errors with .TLB files you are potential experiencing a severe Windows file error - your error might be the effect of damage in your program registry and action is needed to correct it at once to avert additional corruption to your file system. Dangers include hardware damage, blue screen errors and fatal program crashes.

.TLB files Errors - Common Symptoms:

.TLB files error symptoms include application freezes, system shut down or start up problems, slow pc operation, laggy behaviour, input freeze, beeping sounds, trouble loading documents and errors while installing software.

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How to Fix .TLB File Extension Errors    |    Scan for .TLB File Extension Errors    |    What is the .TLB File Extension?