COM Programming Fundamentals Using ATL Courses and other IT courses from TEKsystems Education Services

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Course Code:	CS 26
Course Abstract:	This 3 day course covers the fundamental principles of COM programming for the C++ programmer. The basic concepts of COM are covered, beginning with the programming of COM clients. This knowledge is essential for modern Windows programming using C++, because so many important Microsoft interfaces are now exposed through COM. The fundamental concepts of COM servers are then presented. ATL is introduced as an effective technology for implementing COM servers in C++, beginning with in-process (DLL) servers. The COM remoting architecture is covered, including a discussion of proxies and stubs and the implementation of EXE servers. The apartment concept is introduced. Surrogates are discussed, and interception is introduced. COM data types are covered, including use of ATL support classes. Memory management and the use of IDL is covered. Error processing and debugging are discussed, a topic of vital importance in complex distributed environments. Additional features of the COM programming model required for Visual Basic programming are covered, including coclasses, default interfaces and type libraries. Automation is introduced as a technology enabling COM to work with scripting environments. An appendix covers the Visual C++ compiler support for COM clients, including smart pointers and the import directive for a type library. The course includes extensive programming examples and lab exercises.
Audience:	This course is designed for programmers.
Duration:	3 days
Learning Outcomes:	Upon completion of this course, the participant will be able to: > Acquire a basic understanding of the core concepts of COM > Learn how to program COM clients using C++ and Visual Basic > Learn how to program COM servers using C++ and the Active Template Library
Course Topics:	COM/COM+ Clients: Concepts and Programming Clients for COM and COM+ Servers Interfaces Classes and Objects Globally Unique Identifiers Servers Registration Instantiating an Object Object Lifetime and Interface Negotiation Initializing COM COM Client Programming Model Visual C++ Console Client GUI Client Using MFC Understanding COM Servers Libraries Servers Location Transparency COM Runtime Architecture Registry Class Factories Loading and Unloading Dynamic Link Libraries Structure of an In-Process Server Implementing In-Process Servers Using ATL The ATL Abstraction ATL COM AppWizard ATL Object Wizard Specifying Interfaces Using IDL ATL Class Factory Support ATL Registration Support Multiple Interfaces EXE Servers and Surrogates EXE Servers Proxies and Stubs MIDL Compiler Surrogates Apartments and Threads Interception COM Data Types and ATL Support Classes Strings in COM Conversion Macros Memory Management and IDL BSTR and CComBSTR Smart Pointers VARIANT and CComVariant Error Processing and Debugging Error and Facility Codes COM Error Interfaces Tracing A Logger Component Breaking Into Server Code Programming COM Clients Using Visual Basic Coclasses Type Libraries Default Interface Accessing Other Interfaces Releasing an Interface Visual Basic COM Client Automation and Scripting Early and Late Binding IDispatch VARIANT Dual Interfaces Thin Clients and VBScript Enumerators Collections and Object Models Visual C++ COM Support Using Type Libraries with Import Directive Namespaces Smart Pointers Error Handling bstr_t
Prerequisites:	Experience with Windows programming using Visual C++ and a basic understanding of Win32 architecture. Attendees should also be literate in Visual Basic, so that they can create simple form-based GUI client test programs.

COM Programming Fundamentals Using ATL Course

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