Cross Language Exceptions

This document contains the release information for the NGWS Cross Language Exceptions sample.  You will find the following sections below:

 

Sample Overview

The Cross Language Exception sample demonstrates the ability using NGWS to throw and catch exceptions using multiple languages. This sample builds three clients and three servers; to demonstrate VC, VB and assembly languages throwing and catching exceptions. Each server contains the same classes and methods, each of which throws various exceptions.

 

Location of the Sample

This sample list located in the Exceptions directory of the NGWS SDK sample directories.

For Example:

C:\Program Files\NGWSSDK\Samples\Exceptions

 

Building the Sample

In order to properly build and run this sample, the following steps need to be performed prior to building and running the sample…

·         Type NMAKE All from the command line.

For Example:

C:\Program Files\NGWSSDK\Samples\Exceptions\:>NMAKE All

 

Running the Sample

In order to run this sample, follow the instructions listed below.

For Example:

C:\Program Files\NGWSSDK\Samples\AsmClient\:>Copy ..\VCServer\MytestException.dll

For Example:

C:\Program Files\NGWSSDK\Samples\AsmClient\:>Client

 

Output:

=============================================================
VC TestExcept.CustomException
Done...Not Thrown CustomException
Finally called
=============================================================
VC TestExcept.TestDivideByZero
Done...Not Thrown TestDivideByZero
Finally called
=============================================================
VC TestExcept.TestNullReferenceException
Done...Not Thrown TestNullReferenceException
Finally called
=============================================================
VC TestExcept.CustomException
Caught Exception: Exception: MyTestException.MyCustomException: MyCustomException
at MyTestException.TestExcept.CustomException(Boolean)
at ThrowException

Message: MyCustomException
Stack Trace: at MyTestException.TestExcept.CustomException(Boolean)
at ThrowException

Help URL: http://something.com/help.html
Error Code: -2147221503
Finally called
=============================================================
VC TestExcept.TestDivideByZero
Caught Exception: Exception: System.DivideByZeroException
at MyTestException.TestExcept.TestDivideByZero(Boolean)
at ThrowException

Message:
Stack Trace: at MyTestException.TestExcept.TestDivideByZero(Boolean)
at ThrowException

Help URL:
Error Code: -2146233083
Finally called
=============================================================
VC TestExcept.TestNullReferenceException
Caught Exception: Exception: System.NullReferenceException
at MyTestException.TestExcept.TestNullReferenceException(Boolean)
at ThrowException

Message:
Stack Trace: at MyTestException.TestExcept.TestNullReferenceException(Boolean)
at ThrowException

Help URL:
Error Code: -2147467261
Finally called
Pass