Re: Want to pass a structure in my ATL function call

"rachana.agr" <>
4 Oct 2006 21:34:23 -0700
Hi Alexander,

Yes initialy I declared the Structure in the header file but that
should be declared in the idl file. After the declartion of Structure i
am getting these errors
error MIDL2096 : duplicated attribute : [helpstring] [ Type
'UDTVariable1' ( Interface '__MIDL_itf_Structure_0209' ) ]

This is my idl file....

// Structure.idl : IDL source for Structure.dll

// This file will be processed by the MIDL tool to
// produce the type library (Structure.tlb) and marshalling code.

import "oaidl.idl";
import "ocidl.idl";

        helpstring("Imyclass Interface"),
    interface Imyclass : IDispatch

// [id(1), helpstring("method MakeCall")] HRESULT MakeCall(/*[in]*/
TreaderParty TTreaderParty, /*[out, retval]*/ BSTR**bstrArr);

    helpstring("Structure 1.0 Type Library")

        helpstring("A Demo UDT variable for VB projects")
    struct UDTVariable {
        [helpstring("Special case variant")] BSTR Special;
        [helpstring("Name of the variable")] BSTR Name;
        [helpstring("Value of the variable")] long Value;
    } UDTVariable1;

library STRUCTURELib

        helpstring("myclass Class")
    coclass myclass
        [default] interface Imyclass;

Might be i am doing something wrong in the declartion of the Structure.
Please tell me the cause and the solution to get rid with this problem.
Alexander Nickolov wrote:

This is part of your header. Does your IDL compile fine?
Could it be just a typo in the struct name compared to your
IDL file?

As far as Brian's concern about Automation-compatibility,
you can check this FAQ article if Automation is a concern
for you too:

Alexander Nickolov
Microsoft MVP [VC], MCSD

"rachana.agr" <> wrote in message

Hi All,

I want to pass a structure in my ATL function. On defining signatures
of the ATL function i am getting this error
error MIDL2025 : syntax error : expecting a type specification near

These are the signature i declared for my function
STDMETHOD(MakeCall)(/*[in]*/ TreaderParty TTreaderParty, /*[out,
retval]*/ BSTR**bstrArr);

Any help ...


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