Do I need all .dll files for mysql to work? (no replies)

Hi, when I downloaded 32-bit version to the disk, it gave me some directories:

Bin, include, lib.

Originally I did not include a bin directory into my project, do I need to?

Because sometimes it could not establish the connection, but sometimes it could.

There are 3 dll files, 1 manifest file and mysql_config.exe file.

So, msvcm80.dll , msvcp80.dll, msvcr80.dll files, and Microsoft.VC80.CRT.manifest

file, and mysql_config.exe.

Do I need to include these extra dll 's files into visual c++ project or not?

What are these fiels for? How about manifest file? How about mysql_config.exe file?

Thanks in advance...