Converting IDL interface to C#

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peter.moberg@gmail.com - 10 Jun 2005 20:39 GMT

Could someone please help me to convert this IDL interface to a c#
interface. The thing Im having problems with is to convert the
different parameter types..

interface IComponentAuthenticate : IUnknown
{

HRESULT SACAuth([in] DWORD dwProtocolID,
[in] DWORD dwPass,
[in, size_is(dwDataInLen)] BYTE *pbDataIn,
[in] DWORD dwDataInLen,
[out, size_is(, *pdwDataOutLen)] BYTE **ppbDataOut,
[out] DWORD *pdwDataOutLen);

}

Thanks,

PM

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Mattias Sjögren - 13 Jun 2005 21:20 GMT

>Could someone please help me to convert this IDL interface to a c#
>interface. The thing Im having problems with is to convert the
[quoted text clipped - 11 lines]
>
>}

Try this:

[Guid(...)]
[ComImport]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
interface IComponentAuthenticate
{
void SACAuth(uint dwProtocolID, uint dwPass,
[MarshalAs(UnmangedType.LPArray)] byte[] pbDataIn, uint dwDataInLen,
out IntPtr ppbDataOut, out uintpdwDataOutLen);
}

or if you prefer to recieve pdwDataOutLen as the return value

uint SACAuth(..., out IntPtr ppbDataOut);

Mattias

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Mattias Sjögren [MVP] mattias @ mvps.org
http://www.msjogren.net/dotnet/ | http://www.dotnetinterop.com
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Converting IDL interface to C#

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