Is Dllimport Needed?

Is Dllimport Needed? Using __declspec(dllimport) is optional on function declarations, but the compiler produces more efficient code if you use this keyword. However, you must use __declspec(dllimport) for the importing executable to access the DLL’s public data symbols and objects. What is use of Dllimport? DllImport Attribute is a declarative tag used in C# to