Question:You are creating a new .NET Framework application that will replace an existing unmanaged application. Although you have long-term plans to replace all unmanaged code, in the interim you need to call an unmanaged method in a COM object. How can you do this? (Choose two; each correct answer is part of a complete solution.)
A Create an instance of the Marshal class
B Create a prototype method for the COM function
C Add DllImportAttribute
D Call the Marshal.Copy method
+ AnswerB C
+ Report