MACROMEDIA FLASH 8-FLASH LITE 2.X ACTIONSCRIPT LANGUAGE Reference page 219

In the following example, the
regardless of whether an error occurred. Create a new AS file called Account.as.
class Account {
var balance:Number = 1000;
function getAccountInfo():Number {
return (Math.round(Math.random() * 10) % 2);
}
}
In the same directory as Account.as, create a new AS or FLA document and enter the
following ActionScript in Frame 1 of the Timeline:
import Account;
var account:Account = new Account();
try {
var returnVal = account.getAccountInfo();
if (returnVal != 0) {
throw new Error("Error getting account information.");
}
}
finally {
if (account != null) {
delete account;
}
}
The following example demonstrates a
block is executed. If an exception is thrown by any code within the
to the block, which shows the error message in a text field using the
catch
method.
Error.toString()
In the same directory as Account.as, create a new FLA document and enter the following
ActionScript in Frame 1 of the Timeline:
import Account;
var account:Account = new Account();
try {
var returnVal = account.getAccountInfo();
if (returnVal != 0) {
throw new Error("Error getting account information.");
}
trace("success");
}
catch (e) {
this.createTextField("status_txt", this.getNextHighestDepth(), 0, 0, 100,
22);
status_txt.autoSize = true;
status_txt.text = e.toString();
}
block is used to delete an ActionScript object,
finally
try..catch
statement. The code within the
block, control passes
try
try
Statements 219