MFC Internals: Inside the Microsoft(c) Foundation Class Architecture: Shepherd, George; Wingo, Scot: 9780201407211: Book: : eCampus.com

"This book is definitely not a rehash of existing documents. It is not a 'how-to' book--it is a 'how does it work' book."

--Dean McCrory, MFC Development Lead Finally, a book on MFC that fills the gap between "Using the Wizards" Visual C++ books, product documentation and MFC source code. MFC Internals is a guide to what goes on inside the Microsoft Foundation Classes, giving you unique and in-depth information on undocumented MFC classes, utility functions and data members, useful coding techniques, and critical analysis of the way various MFC classes work and how they all fit together.

The first half of the book covers core Windows graphical user interface classses and their supporting classes; the second half covers subjects like OLE that are extensions to the basic Windows support. You'll become an expert at understanding MFC implementation details by:

exploring under the hood of MFC's document/view architecture to learn about view synchronization, printing and even print preview
diving deep into undocumented aspects of MFC serialization and undocumented classes like CPreview, CPreviewDC, CMirrorFile, CDockBar, etc.
finally learning how MFC and OLE work together under the hood, and how OLE controls are implemented
building the skills that help you investigate and understand MFC source code on your own

MFC Internals focuses on MFC 4.0 for Windows 95 and Windows NT. Most key "internal" concepts also apply to previous versions, but where they don't, the authors warn you with a version note. The book's disk contains example code and the MFC FAQ file, and be sure to check out Appendix A, a handy MFC source code field guide.

MFC Internals is an essential guide to tapping MFC's rich and robust application framework and applying advanced MFC knowledge in world-class Windows applications.

0201407213B04062001

Foreword

xvii

Acknowledgments

xix

Introduction

xxi

Why MFC Internals?

xxi

MFC Internals to the Rescue!

xxii

Who Will Benefit from This Book

xxiii

How to Use This Book

xxiii

A Word of Caution

xxiv

Contacting the Authors

xxv

A Conceptual Overview of MFC

(28)

Some Background on Object-Oriented Programming

(1)

OOP Terminology

(1)

Abstraction

(1)

Encapsulation

(1)

Inheritance

(1)

Polymorphism

(1)

Modularity

(1)

Objects in General

(1)

Objects and C++

(2)

Why Use OOP?

(1)

Application Frameworks and MFC

(5)

A Little History

(1)

Design Goals for MFC

(2)

The First Release

(1)

But That Wasn't Enough ...

(1)

Where Are We Now?

(1)

A Grand Tour of MFC

(16)

General-Purpose Classes

(4)

Windows API Classes

(5)

Application Framework Classes

(1)

High-Level Abstractions

(2)

Operating System Extensions

(4)

Conclusion

(1)

Basic Windows Support

(36)

MFC versus C/SDK

(9)

All That (Boilerplate) Code

(1)

Comparing the Code

(4)

The WinMain() Function

(1)

Initializing a Particular Instance of the Application

(1)

The Message Loop

(1)

Message Handling

(1)

Basic MFC Application Components

(7)

CWinApp: The Application Object

(3)

CWnd: The Base Window Class

(2)

Turning Window Handles into Window Objects

(2)

Attaching and Detaching Window Handles

(1)

Find WinMain() Now

(8)

MFC State Information

(3)

Back to WinMain()

(1)

Initializing the Framework: AfxWinInit()

(2)

Some Other Hidden Cool Stuff

(4)

Registering Window Classes

(3)

MFC's Windows Hooks

(1)

MFC's Message Pump: CWinApp::Run()

(1)

MFC's GDI Support

(5)

Device Contexts

(2)

Graphic Objects

(2)

Conclusion

(2)

Message Handling in MFC

(28)

CCmdTarget and Message Maps

(1)

Window Messages

(4)

Message Handling Using C and the SDK

(2)

Windows and C++

(1)

MFC Message-Mapping Internals

(5)

The CCmdTarget Class

(1)

Message Map Data Structures

(1)

Message Map Macros

(4)

How MFC Uses Message Maps

(16)

How MFC Windows Become Wired to a WndProc

(1)

Handling Messages

(4)

Handling WM_COMMAND

(6)

Handling Regular Window Messages

(2)

Other Kinds of Messages

(2)

Hooking into the Message Loop: PreTranslateMessage()

(1)

Conclusion

(1)

The MFC Utility Classes

(58)

Simple Value Types

(14)

Class CString: A char * on Steroids

(12)

Other Simple Value Types

106

(1)

MFC Collection Classes

107

(22)

MFC Collection Shapes

108

(1)

MFC Array Collections

108

(6)

Lists

114

(8)

MFC Map Collections

122

(7)

The CFile Family: MFC Access to Files

129

(14)

Using CFile

130

(1)

CFile Internals

131

(2)

CStdioFile

133

(3)

CMemFile

136

(5)

There Is Another ...

141

(1)

CFile Summary

142

(1)

CException: Providing Better Error Handling

143

(5)

CException Internals

145

(3)

Conclusion

148

(3)

All Roads Lead to CObject

151

(50)

Isn't That Expensive?

151

(1)

CObject Features

151

(2)

An Introduction to Macros

153

(1)

Run-Time Class Information

153

(9)

RTCI: How Does It Work?

155

(4)

Dynamic Creation

159

(2)

What's Left to Learn about CRuntimeClass?

161

(1)

Persistence in MFC

162

(12)

Adding Serialization to Your Classes

162

(1)

Serialization: How It Works

163

(6)

CObject and Serialization

169

(1)

Tracing a Write and a Read of a CObject Derived Object

170

(3)

Serialization Performance

173

(1)

A CRuntimeClass Status Update

174

(1)

CObject Diagnostic Support

174

(6)

Diagnostic Output

174

(1)

Run-Time Checking

175

(2)

Memory Diagnostics

177

(3)

Inside CObject Diagnostic Support

180

(16)

Diagnostic Output

180

(7)

Advanced Memory Diagnostics

187

(5)

Back to CMemoryState

192

(3)

Cool AFX Helper Functions

195

(1)

Putting It All Together

196

(1)

Putting It into Practice

197

(1)

Is It Worth It?

198

(1)

Conclusion

199

(2)

MFC Dialog and Control Classes

201

(58)

CDialog: Modal and Modeless MFC Dialogs

201

(24)

Using CDialog

201

(3)

CDialog Internals

204

(8)

CDialog Control Initialization

212

(3)

DDX/DDV: CDialog Exchange and Validation

215

(10)

MFC Common Dialogs

225

(11)

Using the MFC Common Dialog Classes

226

(1)

Common Dialogs Internals

227

(8)

MFC Common Dialog Wrapup

235

(1)

OLE Dialogs

236

(3)

Using the OLE Dialogs

237

(1)

MFC OLE Dialog Class Internals

237

(2)

OLE Dialog Summary

239

(1)

Property Sheets (a.k.a. Tabbed Dialogs)

239

(11)

Using MFC Tabbed Dialogs

240

(1)

Property Sheet and Page Internals

241

(8)

Property Sheet Recap

249

(1)

MFC Control Classes

250

(7)

The ``Old-Fashioned'' Windows Control Classes

250

(6)

The ``New-Fangled'' MFC Windows Common Control Classes

256

(1)

Conclusion

257

(2)

MFC's Document/View Architecture

259

(36)

Why You Want Document/View

259

(1)

Other Reasons

260

(1)

The Old Way

260

(1)

The Architecture

261

(6)

Documents and Views

261

(1)

Document/View Components

262

(4)

CWinApp's Role

266

(1)

Inside the Document/View Architecture

267

(22)

The CWinApp/CDocTemplate Interface: CDocManager

267

(6)

CDocTemplate: CDocument, CView, and CFrameWnd Manager

273

(6)

CFrameWnd Internals

279

(3)

CDocument Internals

282

(6)

CView Internals

288

(1)

Document/View Internals Recap

289

(4)

Document/View Interdependencies

289

(1)

Creation Information

290

(1)

Putting It All Together

290

(3)

Conclusion

293

(2)

Advanced Document/View Internals

295

(38)

Mirror, Mirror, on the Wall ...

295

(4)

Inside CMirrorFile

296

(3)

CView Printing

299

(8)

CView Printing Overview

300

(2)

CView Printing Internals

302

(5)

Inside CView Print Preview Support

307

(10)

CView::OnFilePrintPreview()

308

(1)

CPrintPreviewState

309

(1)

Inside DoPrintPreview()

309

(2)

CPreviewView: An Undocumented Print Preview CView Derivative

311

(3)

Inside CPreviewView::SetPrintView()

314

(2)

Print Preview Wrapup

316

(1)

CView Derivatives: CScrollView

317

(10)

How CScrollView Works

317

(6)

CScrollView Recap

323

(1)

CForm View: Forms in a View

324

(3)

CForm View Recap

327

(1)

Another CView Derivative: CCtrlView

327

(4)

CCtrlView: How It Works

327

(2)

CTreeView: An Example Control View/CCtrlView Derivative

329

(1)

CCtrlView Wrapup

330

(1)

Conclusion

331

(2)

MFC's Enhanced User-Interface Classes

333

(66)

CSplitterWnd: MFC Splitter Windows

333

(32)

The Anatomy of a Splitter Window

334

(1)

Refresher: How to Use CSplitterWnd

335

(1)

Inside CSplitterWnd

336

(27)

CSplitterWnd Recap

363

(2)

The MFC CControlBar Architecture

365

(27)

Step Right Up to the CControlBar

365

(17)

CControlBar Persistence

382

(8)

CControlBar Layout Management

390

(1)

CControlBar Recap

391

(1)

CMiniFrameWnd

392

(2)

MFC MRU File List Implementation

394

(2)

How MFC Implements MRU File Lists

394

(2)

Conclusion

396

(3)

MFC DLLs and Threads

399

(34)

Understanding States

399

(8)

MFC States Explained

400

(5)

How the MFC States Are Related

405

(2)

MFC DLLs

407

(10)

DLL Resource Issues

408

(6)

Extension DLL Initialization and Cleanup

414

(1)

AFXDLL and Macros

414

(3)

MFC Threads

417

(12)

MFC Worker Threads

417

(7)

MFC User-Interface Threads

424

(5)

A Tale of Threads, Handles, and Objects

429

(1)

Conclusion

429

(4)

For More Information

430

(1)

Up Next

431

(2)

How MFC Implements COM

433

(68)

MFC and OLE

434

(1)

The Component Object Model

434

(1)

What Is a COM Class?

435

(2)

Do You Speak I-Speak?

437

(2)

Globally Unique Identifiers

439

(1)

Exploring the Great IUnknown

439

(5)

Object Lifetime Management

440

(2)

Interface Negotiation

442

(1)

A Peek at the Client Side: Call/Use/Release

443

(1)

COM Object Servers

444

(10)

In-Proc Servers (DLLs)

445

(1)

Out-of-Proc Servers (EXEs)

445

(1)

Class Factories

446

(3)

Exposing the Class Factory in an In-Proc Server

449

(1)

Exposing the Class Factory in an Out-of-Proc Server

449

(1)

Unloading In-Proc Servers

450

(1)

Unloading Out-of-Proc Servers

451

(1)

Class Registration in the Registry

452

(1)

Creating Instances of COM Classes

453

(1)

COM Classes with Multiple Interfaces

454

(10)

Implementing CoMath Using Multiple Inheritance

455

(3)

Implementing CoMath Using Nested Classes

458

(4)

A Class Factory for CoMath

462

(2)

MFC COM Classes

464

(3)

Using MFC to Create CoMath

467

(8)

IUnknown and CCmdTarget

467

(1)

COM Aggregation

468

(5)

The Internal IUnknown Functions

473

(1)

The External IUnknown Functions

474

(1)

Multiple Interfaces through Nested Classes

474

(1)

The MFC COM and Interface Map Macros

475

(4)

Declaring the Nested Classes

475

(2)

Building the Interface Map

477

(2)

The CoMath Class Using MFC

479

(6)

MFC COM Classes and Inheritance

482

(2)

InternalQueryInterface() Revisited

484

(1)

Finishing the Server

485

(2)

Implementing the Interfaces

485

(2)

MFC Support for Class Factories

487

(11)

COleObjectFactory

487

(4)

Developer Tip: Registering Other Information

491

(2)

The Heart of COleObjectFactory: OnCreateObject()

493

(1)

COleObjectFactory and IClassFactory::LockServer()

493

(1)

Creating Class Factories within Your App

494

(1)

COleObjectFactory and Interface Maps

495

(2)

Exporting the Class Factory from a DLL

497

(1)

Conclusion

498

(3)

Uniform Data Transfer and MFC

501

(38)

Some History

501

(3)

The Old Way

502

(1)

Limitations of the Windows Clipboard and DDE

503

(1)

OLE and Uniform Data Transfer

504

(1)

Important Structures

504

(3)

The FORMATETC Structure

504

(2)

The STGMEDIUM Structure

506

(1)

The IDataObject Interface

507

(2)

IDataObject::GetData()

508

(1)

IDataObject::GetDataHere()

508

(1)

IDataObject::QueryGetData()

508

(1)

IDataObject::GetCanonicalFormatEtc()

508

(1)

IDataObject::SetData()

508

(1)

IDataObject::EnumFormatEtc()

509

(1)

IDataObject::DAdvise()

509

(1)

IDataObject::DUnadvise()

509

(1)

IDataObject::EnumDAvise()

509

(1)

The OLE Clipboard

509

(2)

MFC's IDataObject Classes

511

(4)

Transferring Data via the Clipboard

511

(4)

Delayed Rendering

515

(1)

MFC's IDataObject Classes in Detail

516

(10)

COleDataSource

517

(6)

COleDataObject

523

(3)

OLE Drag-and-Drop

526

(12)

IDropSource

526

(1)

IDropTarget

526

(2)

Implementing Drag-and-Drop Data Transfer Using MFC

528

(1)

Originating a Drag-and-Drop Transfer

528

(1)

Implementing a Drop Target

529

(2)

Inside MFC's Drag-and-Drop Classes

531

(3)

How MFC Drag-and-Drop Works

534

(4)

Conclusion

538

(1)

OLE Documents the MFC Way

539

(42)

OLE Documents 101

540

(10)

Linking and Embedding

540

(2)

Structured Storage, Compound Files, and Persistent Objects

542

(5)

In-Place Activation and Visual Editing

547

(1)

OLE Document Containers

548

(1)

OLE Document Servers

549

(1)

The OLE Document Protocol

550

(1)

MFC's Support for OLE Documents

550

(7)

The Base Classes: CDocItem and COleDocument

550

(2)

OLE Document Containers the MFC Way

552

(2)

COleLinkingDoc

554

(3)

OLE Document Servers the MFC Way

557

(4)

COleServerDoc

557

(4)

COleServerItem

561

(1)

The Container/Server Dance (Embedding)

561

(14)

The Container: Creating a New File

561

(1)

Adding Container Items

562

(13)

Deactivating the Item

575

(2)

Inside COleClientItem::Close()

575

(2)

Saving the Container's Document

577

(1)

Loading OLE Documents

578

(2)

Conclusion

580

(1)

MFC and Automation

581

(38)

The History of Automation

581

(1)

What Automation Can Do for You

582

(2)

Writing an MFC Automation Application

584

(1)

But How Does It All Work?

584

(1)

COM Interfaces versus Automation

585

(12)

COM Interfaces Reviewed

585

(2)

IDispatch: The Key to Automation

587

(4)

Implementing IDispatch by Hand

591

(6)

Another Way: Using Type Information

597

(5)

Type Information

597

(1)

Object Description Language

597

(2)

Implementing IDispatch Using Type Information

599

(2)

Recap: Automation in the Raw

601

(1)

MFC and Automation

602

(15)

Extensions to CCmdTarget

602

(2)

Dispatch Maps

604

(7)

CCmdTarget and GetlDsOfNames()

611

(2)

CCmdTarget and Invoke()

613

(1)

MFC and Type Information

614

(3)

Conclusion: The Consequences of ``The MFC Way''

617

(2)

OLE Controls

619

(36)

VBXs and Their Shortcomings

620

(1)

OLE Controls

620

(1)

Writing a Control

621

(1)

Using OLE Controls in a Project

622

(2)

OLE Controls in a Dialog Box

622

(1)

Using an OLE Control in a View

623

(1)

So How Does It All Work?

624

(4)

MFC's OLE Control Classes

624

(4)

MFC and OLE Control Containers

628

(1)

COleControlContainer

628

(1)

COleControlSite

628

(1)

COccManager

629

(1)

A Day in the Life of an OLE Control

629

(5)

Control Creation

630

(2)

Inside the Control

632

(1)

Finishing Creating the Control

633

(1)

OLE Connections

634

(5)

OLE Connection Interfaces

635

(1)

Establishing a Connection

636

(3)

Establishing a Connection (Continued)

639

(1)

OLE Control Events

639

(3)

Firing Events

641

(1)

MFC OLE Control Events

641

(1)

How MFC Handles Events

642

(1)

Developer Tip: Adding an Event Sink to a View

643

(3)

Adding a Function to Handle the Event

644

(1)

Setting Up the Event Sink Map

645

(1)

Inside OLE Control Property Pages

646

(8)

Property Pages in a Nutshell

647

(1)

Programming the Property Page

648

(1)

Inside the Properties Verb

649

(2)

Inside COlePropertyPage

651

(1)

Accessing the Properties

652

(1)

Inside GetPropCheck()

653

(1)

Property Page Wrapup

653

(1)

Conclusion

654

(1)

Appendix A A Field Guide to the MFC Source Code

655

(34)

MFC Coding Techniques

656

(5)

Class Declaration Subsections

656

(1)

Variable Naming---Think Hungarian!

657

(1)

Symbol-Naming Conventions

658

(1)

The Proof Is in the Pudding!

658

(1)

Common MFC #defines

659

(1)

Granularity and Swap Tuning?!

660

(1)

Tools for Exploring MFC

661

(1)

The Visual C++ Browser

661

(1)

Visual C++ Find in Files

662

(1)

A Visual C++ Syntax-Coloring Tip

662

(1)

Commercial Products

662

(1)

A Guide to the MFC Source Code

662

(25)

MFC Directory Structure

662

(2)

MFC Header Files

664

(8)

MFC Inline Files

672

(1)

MFC Resources

673

(1)

MFC Source Files

674

(13)

Happy Trails...

687

(2)

Appendix B The MFC Internals Floppy

689

(2)

Index

691


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