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 

+ Answer
B C 

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Mohammad Towhidul Islam

Editor, VCampus

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