How to ? out argument in managed c++

[=?Utf-8?B?U2hhcm9u?=]

Hello gurus,

I have the following C# function signature:
void TheFunction(Dic tionary<string, MyClassObjdicNa me, out int nOne, out
int nTwo, out int nThree, out int nFour);

And it works fine.

I'm trying to write a managed C++ function that will save the save
signature, but till now I've got all kind of compiler error.

Can anyone tell me how a managed C++ function signature should look like
that will do the job like the one I showed above?
--
Thanks
Sharon

[José Joye]

void __gc* TheFunction(Dic tionary<String __gc*, MyClassObj __gc*__gc*
dicName, [Out] Int32 __gc* *nOne, [Out] Int32 __gc* *nTwo, [Out] Int32 __gc*
*nThree, [Out] Int32 __gc* *nFour);

this was obtained using Reflector (http://www.aisto.com/roeder/dotnet/).
It may not be the shortest signature (all the __gc). However, it should work

- José

"Sharon" <Sh*****@newsgr oups.nospama écrit dans le message de news:
91************* *************** **...icrosof t.com...

Hello gurus,

I have the following C# function signature:
void TheFunction(Dic tionary<string, MyClassObjdicNa me, out int nOne, out
int nTwo, out int nThree, out int nFour);

And it works fine.

I'm trying to write a managed C++ function that will save the save
signature, but till now I've got all kind of compiler error.

Can anyone tell me how a managed C++ function signature should look like
that will do the job like the one I showed above?
--
Thanks
Sharon

[=?Utf-8?B?RGF2aWQgQW50b24=?=]

The term 'managed C++' is kind of ambiguous, since many people use that same
term to refer to both Managed C++ (VC 2003) and C++/CLI.
If you want it in C++/CLI, it's:
void TheFunction(Dic tionary<System: :String^, MyClassObj^^dic Name,
[System::Runtime ::InteropServic es::Out] int %nOne,
[System::Runtime ::InteropServic es::Out] int %nTwo,
[System::Runtime ::InteropServic es::Out] int %nThree,
[System::Runtime ::InteropServic es::Out] int %nFour)

--
David Anton
www.tangiblesoftwaresolutions.com
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"Sharon" wrote:

Hello gurus,

I have the following C# function signature:
void TheFunction(Dic tionary<string, MyClassObjdicNa me, out int nOne, out
int nTwo, out int nThree, out int nFour);

And it works fine.

I'm trying to write a managed C++ function that will save the save
signature, but till now I've got all kind of compiler error.

Can anyone tell me how a managed C++ function signature should look like
that will do the job like the one I showed above?
--
Thanks
Sharon

[=?Utf-8?B?U2hhcm9u?=]

Thanks José,

I think the function is for .NET Framework 1.1, but I'm using the Framework 2.
Sorry for not pointing that our earlier.

Could you please post it for Framework 2?
--
Thanks
Sharon

[=?Utf-8?B?U2hhcm9u?=]

Thanks David,

I 'm using the Framework 2 (VS2005). Sorry for not pointing that our earlier.

Your solution works fine.

---------
Thanks a lot
Sharon

[=?Utf-8?B?U2hhcm9u?=]

Hi David,

The function signature still works but I have strange problem checking if
the dicName is null or not...

In the function (VC++ 2005 (C++/CLI)):

void TheFunction( System::Collect ions::Generic:: Dictionary<Syst em::String^,
MyClassObj^>^ dicName, [System::Runtime Services::Inter op::Out] int% nOne,
[System::Runtime Services::Inter op::Out] int% nTwo,
[System::Runtime Services::Inter op::Out] int% nThree,
[System::Runtime Services::Inter op::Out] int% nFour)
{
if( dicName != NULL ) // Error
{
if( dicName ["key"] != NULL ) // Error
{
...
}
...
}
}

I tried some other ways to check it, but I'm still getting all kind of
compiler error.

How do I check if it's null or not if the above two cases?
--
Thanks
Sharon

[Willy Denoyette [MVP]]

"Sharon" <Sh*****@newsgr oups.nospamwrot e in message
news:AF******** *************** ***********@mic rosoft.com...

Hi David,

The function signature still works but I have strange problem checking if
the dicName is null or not...

In the function (VC++ 2005 (C++/CLI)):

void TheFunction(
System::Collect ions::Generic:: Dictionary<Syst em::String^,
MyClassObj^>^ dicName, [System::Runtime Services::Inter op::Out] int% nOne,
[System::Runtime Services::Inter op::Out] int% nTwo,
[System::Runtime Services::Inter op::Out] int% nThree,
[System::Runtime Services::Inter op::Out] int% nFour)
{
if( dicName != NULL ) // Error
{
if( dicName ["key"] != NULL ) // Error
{
...
}
...
}
}

I tried some other ways to check it, but I'm still getting all kind of
compiler error.

How do I check if it's null or not if the above two cases?
--
Thanks
Sharon

if( dicName != nullptr)

I would suggest you to start reading the C++/CLI language specifications, it
will save you a lot of time waiting for an answer to your questions in a NG
;-)

Willy.