Thursday, April 2, 2009

COM .Net Interview Questions Part II

11. What is Pinvoke?

Ans. Platform invoke is a service that enables managed code to call unmanaged functions implemented in dynamic-link libraries (DLLs), such as those in the Win32 API. It locates and invokes an exported function and marshals its arguments (integers, strings, arrays, structures, and so on) across the interoperation boundary as needed.

12. Is it true that COM objects no longer need to be registered on the server?

Ans: Yes and No. Legacy COM objects still need to be registered on the server before they can be used. COM developed using the new .NET Framework will not need to be registered. Developers will be able to auto-register these objects just by placing them in the 'bin' folder of the application.

13. Can .NET Framework components use the features of Component Services?

Ans: Yes, you can use the features and functions of Component Services from a .NET Framework component.

1 comment:

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