Aspen Touch Solutions ATM-123R Series Specifikace stáhnout pdf (Strana 100)

3-16 Creating an Extension

3-16

Create & Register the DLL

When you build your project, you must implement it as a 32-bit

Dynamic Link Library (DLL). This DLL must contain code for your

extension, a ClassFactory to create your extensions, and a

DllRegisterServer entry point.

The Extension Development Kit provides extsdk.cpp, which

contains a ClassFactory and an implementation of

DllRegisterServer. If you use this ClassFactory, you must include

this file in your project.

You can register your DLL on the Extensions tab of the Session

Preferences property view.

Debug the Extension

You can debug your extension by putting a call to the Win32

function DebugBreak in your code. When HYSYS executes this

part of your code, you are allowed to start your debugger and

debug the code from there. You are then able to inspect

variables, and trace the execution of your extension's code. You

can also debug your extension in MS DevStudio by setting

breakpoints in the code. Specifying the path of the HYSYS

executable file in the Executable for debug session field on the

Debug tab of the Project Settings property view and launch

VC++ auto debug.

You can load your extension by starting HYSYS and creating an

instance of the extension. HYSYS creates a container, and this

container then calls the extension's Initialize method.

Distribute the Extension

Once you are confident that your extension is behaving properly,

you can create an ActiveX DLL file. The end result of this step is

an extension that you can distribute without exposing any

proprietary information or methods.

For more information on

extension registration

see Section 3.6 -

Registering

Extensions.

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Aspen Touch Solutions ATM-123R Series Specifikace Strana 100