How to convert mfc dll API to c#

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Hi
I would like to call an API which is written in mfc

This is the API

BOOL __stdcall SearchMAC(LPCTSTR strIP,CString &strMac)

I tried to declare the API like below

C#

[DllImport("DllEx.dll", EntryPoint = "SearchMAC", CharSet = CharSet.Unicode)]
        public static extern unsafe bool SearchMAC(string strIP,  string MAC);

and called the API like below

C#

string mac = "02ABCDEFGIJ";
                bool x = DLL.SearchMAC("192.168.1.100", mac);

But it it always returns false.

Kindly help me to read the MAC address as I am new to c#.

Thank you

Posted 6-May-14 1:18am

srini45

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[no name] 6-May-14 7:20am

Why are you doing that at all? Get the MAC using WMI in C# directly.

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ZurdoDev · Answer 1 · 2014-05-06T02:45:00

Solution 1

If all you want is to get the MAC address I would suggest not trying to use the MFC dll and to use the updated approach.

See: http://msdn.microsoft.com/en-us/library/vstudio/system.net.networkinformation.physicaladdress[^]

and

how to get mac address using C#.net[^]

Posted 6-May-14 2:45am

ZurdoDev

Comments

srini45 6-May-14 9:58am

Sorry forgot to mention. Using that dll I am trying to get the MAC address of external electronc board

ZurdoDev 6-May-14 10:09am

The fact that it is returning a value and not throwing an error tells me it is calling your dll. Perhaps something else is missing?