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OrbWorks Community Forum • View topic - Check for MathLib

Check for MathLib

Discuss OrbForms Designer and PocketC Architect

Postby MN OrbUser on Thu Feb 09, 2006 10:44 am

Is there a way to check if MathLib is present so the app can notify the user before trying to use any of the MathLib functions, and exit gracefully?
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Location: USA

Postby exit_head on Thu Feb 09, 2006 9:39 pm

i dont remeber if orbforms(or PCA) have a func to check but you can always do a dbopen(or orbC eqivilent) and try and open it.
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Postby MN OrbUser on Fri Feb 10, 2006 12:21 pm

Thanks, it worked. The actual code I used was:


Database CheckForMathlib;

handler QCalc.onstart() {
// Is mathlib present?
if (CheckForMathlib.open("MathLib",0)==0) {
alert("You need MathLib installed!");
}
else
mainForm.load();
}
MN OrbUser
 
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Location: USA

Postby MN OrbUser on Sat Feb 11, 2006 9:36 pm

Although this captures whether MathLib is available or not, it still does not exit the application gracefully. A blank screen appears after the message "MathLib is needed" and the OK button is tapped, and it doesn't go away until the home icon is tapped.

Is there an exit function or system or event message that can be sent after the message is dismissed?
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Posts: 12
Joined: Wed Feb 01, 2006 4:52 pm
Location: USA

Postby exit_head on Sun Feb 12, 2006 9:29 am

launch the launcher application. i think its "Inch"
exit_head
 
Posts: 64
Joined: Tue May 04, 2004 3:50 am
Location: USA

Postby dewey on Sun Feb 12, 2006 3:18 pm

Call app.abort().
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