3.9 Try..except

3.9 Try..except
Try..Except used if there have possibility ERROR.

Sintax :

<code>
try
&lt;statements_list1&gt;;
except
&lt;statements_list2&gt;;
end;
</code>

operation: the first program will execute one or more statements  under try. if not error, program will execute statements until <strong>end;</strong> statements. if any error under <strong>try</strong> statement program will jump and execute the statement below <strong>except</strong>.

attention ! try..except will work if option <strong>stop</strong> on <strong>Delphi Exception</strong> listed on page language exceptions in the menu tools--&gt;debugger Options is not check.

examples 1 try..except
<code>
try
x:=i/j;
except
 on EZeroDivide do HandleZeroDivide;
end;
</code>
<hr/>
examples 2 try..except
<hr/>
<code>
try
 . . .
except
 on EzeroDivide do HandleZeroDivide;
 on EOverflow do HandleOverflow;
 onEMathError do HAndleMathError;
end;
</code>

<hr/>
examples 3 try..except
<hr/>
<code>
try
. . .
except
 on EzeroDivide do HandleZeroDivide;
 on EOverflow do HandleOverflow;
 onEMathError do HAndleMathError;
else
 HandleAllOthers;
 end;
</code>