try function

Syntax

try
   Protected StatementList
catchQualifiedID &ID
   StatementList
end-try

Description

Use the try statement as part of a try-catch block to trap exceptions thrown either by the system or by using the CreateException function.

Parameters

Parameter	Description
Protected StatementList	Specify the statements that are protected by the try-catch block.
catch QualifiedID &ID	Specify the catch statement at the end of the list of statements you want to protect.
QualifiedID	Specify what class of exception you are catching—that is, Exception or the name of a class extending the Exception class.
&ID	Specify a variable to be set with the caught exception.
StatementList	Specify the steps to be taken once the exception is caught.

Returns

None.

Example

try 
   &res = 15.3 / 7 * 22.1; 
catch Exception &c1 
   MessageBox(0, "", 0, 0, "Caught exception: " | &c1.ToString()); 
end-try;