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AnswerThe answer is, you can't*. A DLL is file created by the compiler after compiling or packaging the source code and there is no way to find out how it is written once it is compiled. If you really trust the source of your DLL, you can add this DLL to a com+ application and find out the methods and functions available through the DLL, and the parameters for those. Alternatively, you can create a simple ASP file and create an instance of this DLL and find out all the methods and functions that way too. AdditionYou can open them with notepad, but you won't be able to understand anything as it's all in computer code.

*unless it was developed in (at least as I know of) MS Visual Studio .NET, then you may examine the functionalities thereof by means of your object browser and the functionalities, properties, methods, etc are exposed there. The extent to which these functionalities are understood is directly related to how well the programmer of this (D)ynamic (L)ink (L)ibrary documented it. In other words, this is in its functional form, no further compilation is required, but it may as well adhere to the conformaty set forth by Microsoft via Visual Studio .NET an IDE (Integrated Development Environment) whereby you may examine its programming resources.

Glenn T. Kitchen (

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โˆ™ 2011-01-14 23:46:52
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Q: How do you open dll files to see what is written inside?
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What can open dll files?

A DLL (dynamic link library) file is a file used by a specific application to communicate with devices inside or attached to the computer. DLL files aren't meant to be opened separately from the program they belong to. When you load the program the DLL file belongs to, that program will automatically load the DLL file if it needs it.

How do I open dll files on windows 7?

You don't open DLL files directly. They are not programs or documents, but libraries that programs use to perform specific tasks.

How do you open a dll file on vista?

DLL files are part of a program. They are opened by the program that needs them.

Which program file opens DLL files?

If you understand DLL files as series of instructions to a computer that has a printer or other attached device to communicate effectively then any text reading or word processing program will open and then read DLL files

How can I open .dll files on a Mac?

Programs on Mac OS X do not normally use .dll files (some Microsoft products for the Mac do). Instead they use .dylib files, which have a completely different structure.

How can find the application that is using a dll file?

Most programs use .DLL files. The one you installed yourself is usually in the program's folder. Right click the dll and choose "Open file location" and look for a .exe file. If you want to know more about a specific dll you can open the dll in notepad, often you can read some of the letters and figuring out what program/game etc. It's for. For other .dll files you can search up on the name or location to find its origin. dll files should often be left alone.

How do you open 16-bit .dll files?

You can't. DLL file ( Dynamic Link Library ) can only be opened by an executable ( EXE ) or compiler.

Does adobe dreamweaver open dll files?

No. dll files are "Dynamic Link Libraries" and are used to store program code. They don't operate as stand alone programs but they are called by other programs.

How do you open dll?

You can open the .dll files by using the program that called ResHach and you can download it from the link : from CNET

What program do you open a dll extension with?

It is not reccomended that you open a .dll file as these generally are system files vital for your computer and it's programs to work. NEVER MODIFY A DLL FILE as this can cause your system to become unstable and crash beyond repair

Why dll files are faster than exe files?

Because dll's aka dynamic link library, can excute many files at once.

Shall idelete all the dll files in the system folder which you have sugested before?

delete all dll files you do not need them

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