Re: Streaming message box

From:
David Wilkinson <no-reply@effisols.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Wed, 07 Jun 2006 12:20:21 -0400
Message-ID:
<#QuYC5kiGHA.4144@TK2MSFTNGP02.phx.gbl>
CedricCicada@gmail.com wrote:

Greetings!

I have just returned to C++ after a couple of years in the FoxPro and
C# worlds. I am trying to adapt and expand existing code. For
debugging and just plain understanding the code I'm working with, I'd
like to put little message boxes into the code. It seems a pain to
declare a character array, write my message into it, and then call
AfxMessageBox() to dispaly it. It seems to me that it would be easy to

create a stream-based messagebox class that I could use as follows:

StreamMessageBox << "My value is " << MyValue;

This would pop up a simple message box with a single OK button and my
message. It should be easy to add manipulators to this class to select

icons and use different button sets.

Does such a thing exist? If so, where can I get it?

Thanks very much!

RobR

P.S. I originally posted this question on comp.lang.c++, where, in
addition to pointing out that it was MS-specific and thus was better
posted here, responders also pointed out that a "show" manipulator
would be good:
StreamMessageBox << "My value is " << MyValue << show;


RobR:

Yes, wouldn't something like this work:

//untested

using namespace std;

ostream& show(ostream& ostrm)
{
   ostringstream& os = dynamic_cast<ostringstream&>(ostrm);
   AfxMessageBox(os.str().c_str());
}

ostringstream os;
os << "My value is " << MyValue << show;

David Wilkinson

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