Custom DCOM Interfaces using ActiveX Template Library



	Home Courseware Course Listing Instruction Philosophy Clients Publications Résumé	Custom DCOM Interfaces using ActiveX Template Library Summary: In contrast to most classes on COM/OLE/ActiveX that focus on the graphical user interface (such as controls, drag & drop etc...), this class focuses on creating custom COM interfaces with the ActiveX Template Library (ATL) for distributed asynchronous computing. Course Outline: Overview & Introduction to COM & ATL Overview of ATL MFC v. ATL Why use ATL? When to use ATL? Fundamentals of COM Goals of COM The Problem COM Solves Interface Theory Components HRESULTS, GUIDS, Registry Custom COM Interfaces for Clients Perils & Merits of Custom COM interfaces Basic Concepts Usage Counts ProgIDs & CLSID Create a Client for Custom COM interface Identify the necessary function calls Implement a client Custom COM Interfaces for DLL Servers Class Libraries: ATL v. MFC v. Your Own Registering DLL COM Servers GUIDGEN COM Replacements for new and delete EXE Servers v. DLL Servers Class Factories Loading DLL Unloading DLLs Creating a Custom COM Interface Clients with ATL Smart Pointers & Usage Counting Overloaded Operators C++ Wrappers: ATL and C++ built-in features Creating a Custom COM Interface Server with ATL Using the ATL Wizard Dispatch Maps Adding Objects, Controls & Interfaces COM Containment and Aggregation Containment, Aggregation and Inheritance in C++ v. COM Implementing Containment in COM Implementing Aggregation in COM The Two IUnkowns Usage Counting Blind Aggregation v. Closed Surveying the ATL Class Library ATL Classes and Macros Supporting IDispatch & IErrorInfo The Tear-Off Interface Creating ATL ActiveX Controls with No User Interfaces Using ATL COM objects in an MFC Server ATL Enumerators Implementing Enumerators in COM Using CComEnum, _Copy, CcomIEnum & CcomIEnumImpl Debugging Tips for ATL Objects Using DebugBreak Enabling QueryInterface & Reference Count Debugging NT & Win95 Services What is a Service? Why use one? Win95 Services v. NT Services Implementing Services using ATL: Start, ServiceMain, Run, Handler Registry Entries The ATL Registry Component Creating Scripts The Registrar Scripting Language Syntax Replaceable Parameters Invoking Scripts Setting up a Static Link Servers in EXEs Local Procedure Calls Proxy/Stubs & Marshalling The Microsoft Interface Description Language Implementing a Local Server Remote Procedure Calls with DCOM Automation: IDispatch, Dual Interfaces & Type Libraries Using IDispatch Function Invoke Automation Parameters Variants SAFEARRAY BSTR Converting Types Type Libraries: Creating, Loading, Storing Dual Interfaces with ATL Strategies for Implementing Automation Marshalling Synchronization of Threads Threads v. Processes Synchronization Events Mutexes Semaphore Critical Sections MFC Containers Threads and Fibers Terms Kinds of Threads Worker Threads User Interface (UI) Threads Thread Communication Fibers Thread Local Memory Management Thread Local Heaps Using the TLS services for thread local memory Using the compiler directive for thread local memory Managing UI threads with a new class: ThreadFactory Threading in COM Apartment v. Free Threads Out of Process Components Marshalling and Synchronization Automatic v. Manual Marshalling Apartment Threading with COM Free Threading with COM Threading Registry Keys Please contact Sieg to arrange for rapid, custom courseware development, or to inquire about his availability to deliver training to your organization: Phone 303-494-5509, Email siegfried@heintze.com. Siegfried Heintze (303) 494-5509 www.heintze.com siegfried@heintze.com

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