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I had been displaying String uptill now using messageBox(). How can I display an integer using this function? I tried something like this but it didn't work:

int message=1;
MessageBox(NULL,
           (LPCSTR)message,
           "Display",
            MB_ICONINFORMATION);
David Heffernan
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Ayse
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1 Answers1

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You need to place the int into a string. In C, you can use sprintf():

char buffer[32];
sprintf(buffer, "%d", message); 
MessageBox(NULL, buffer, "Display", MB_ICONINFORMATION);

and in C++ there are several options (see Append an int to a std::string for suggestions) for storing an int in a std::string then use std::string::c_str() in the call to MessageBox().

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hmjd
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  • I am working on WIN32 API using C and I want my data to be displayed on Window that is why I was using MessageBox(). Can sprintf() be used to display data on a Window? :( – Ayse Mar 15 '13 at 11:22
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    @AyeshaHassan Read and understand the answer. Learn what `sprintf` does. It outputs text to a buffer. What you do with that text is up to you. One possibility is to send it to `MessageBox`. – David Heffernan Mar 15 '13 at 13:02
  • @hmjd: Thank you so much for hte help. Your answer solved my problem :) – Ayse Mar 18 '13 at 06:16