Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!dsinc!netnews.upenn.edu!grad1.cis.upenn.edu!isler
From: isler@grad1.cis.upenn.edu (Sylvia-Kay ISLER)
Newsgroups: comp.sys.mac.programmer
Subject: Reading Numbers from Modal Dialog Items...PLEASE HELP
Message-ID: <29331@netnews.upenn.edu>
Date: 9 Sep 90 02:06:58 GMT
Sender: news@netnews.upenn.edu
Reply-To: isler@grad1.cis.upenn.edu (Sylvia-Kay ISLER)
Organization: University of Pennsylvania
Lines: 37

I am writing a program in Think C 3.0 that has to obtain floating point values
from modal dialog items. I am running into serious problems.
 I am trying to do so using this code: 

float number;
.
.
.
getparameter(DialogItemNum, &number);
.
.
.
}


getparameter(num, value)

int num;
float *value;

{
	int type;
	Rect box;
	Str255 text;
	Handle item;
	GetDItem(theDialog, num &type, &item, &box);
	GetIText(item,text);
	sscanf(PtoCstr((char *)text), "%3.3f", *&value);
}

the 0.00 always appears in the variable value.

if anyone has code that reads floating point numbers from dialog items,
please help me out.

Sylvia Isler
isler@grad1.cis.upenn.edu