Some common windows system DLL

    -- DLL notes 1 of <Windows via C/C++>

1.      windows system DLLs

The three most important DLLs in windows:

Kernel32.dll, contains functions for managing memory, processes, and threads;

User32.dll, contains functions for performing user-interface tasks such as window creation and message sending;

GDI32.dll, contains functions for drawing graphical images and displaying text.

 

Others:

AdvAPI32.dll contains functions for object security, registry manipulation, and event logging;

ComDlg32.dll contains the common g boxes (such as File Open and File Save);

ComCtl32.DLL supports all the common window controls.

 

2.      Known DLLs

Certain operating system-supplied DLLs get special treatment. These are called known DLLs. They are just like any other DLL except that the operating system always looks for them in the same directory in order to load them. Inside the registry is the following key:

HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/Session Manager/KnownDLLs