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Sourav

A DLL (Dynamic Link Library) is a file that can be loaded and executed by programs dynamically. The main advanatage in using DLL is several can use the same DLL during their execution. Here are the key points that will guide you in understanding DLL. * When we want to hide our code from the user then we make DLL (Dynamic Link Library) and add these in other application now no body can open this. * When we want to use same code in different applications (REUSABILITY) then we make DLL of that code and add that code in other applications. * When you want to use Functions of C# in Vb.net then you will make DLL of C# and add this library in VB.net and can easily use its functions.