Dynamic Linking Library(DLL)

DLL(Dynamic linking library):

Definition:

A dll is linked to your program at run time.

what:a library linked to your program.

when:at run time.-->dynamic.

Apply:---->use the unqualified class names

Using Fully Qualified Names:Namespaces and types have unique names,which are described by fully qualified names that indicate a logical hierarchy.

using directive at the beginning of the file.--->allow you to use the unqualified class names to reference the DLL methods at compile time.

 

http://support.microsoft.com/kb/815065