Subclassing and Hooking with Visual Basic Stephen Teilhet

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Spis treści książki

• Subclassing and Hooking with Visual Basic
• A Note Regarding Supplemental Files
• Preface
  • Who This Book Is For
  • How This Book Is Structured
  • Obtaining the Sample Code
  • Conventions Used in This Book
  • How to Contact Us
  • Acknowledgments
• I. Introducing Subclassing and Hooking
  • 1. Introduction
    • Subclassing
    • The Window Hooking Mechanism
    • Tools to Aid Us in Our Efforts
      • Spy++
        • Using Spy++ to examine a VB application
      • NuMega SmartCheck
      • Dbgwproc.dll
      • Microsoft System Information
    • A Word of Warning
  • 2. Windows System-Specific Information
    • Inside a Windows Application
      • Window Relationships
      • What Are All These Handles For?
        • hWnd
        • hInstance
        • hHook
      • Processes
      • Threads
      • The Internals of a Window
        • The window class
        • The window procedure
        • Creating a simple window application with Visual C++
    • Inside the Windows Messaging System
      • The Raw Input Thread
      • The System Message Queue
      • Thread Message Queues
      • Message Loops
      • Messages
      • The Different Types of Messages
    • Performance Considerations
  • 3. The Basics of Subclassing and Hooks
    • What Is Subclassing?
      • How Does Subclassing Work?
      • The Types of Subclassing
        • Instance subclassing
        • Global subclassing
        • Superclassing
      • Why Do We Use Subclassing?
    • What Are Hooks?
      • How Do Hooks Work?
      • Hook Scope
        • Thread-specific
        • System-wide
      • Why Do We Use Hooks?
      • Deciding Between Hooking or Subclassing
• II. Subclassing and Superclassing
  • 4. Subclassing
    • The AddressOf Operator
      • Using AddressOf
      • Callbacks and Enumeration Functions
      • Callbacks and Asynchronous Processing
      • AddressOf and Subclassing
    • Some Subclassing Tips
    • Instance Subclassing: An Example
      • The Class Module
      • The BAS Module
      • The Form Module
      • Doing Something Interesting
        • Overriding window resizing
        • Overriding a windows minimize behavior
    • Global Subclassing
      • Changes to the Class
      • Changes to the BAS Module
      • Changes to the Form
      • How It All Works
      • Behind the Scenes with Spy++
    • Summary of Key Points in Subclassing
  • 5. Subclassing the Windows Common Dialog Boxes
    • How Common Dialog BoxSubclassing Works
      • Using the COMDLG32.DLL
      • The Resource File
      • Creating a Dialog Resource File UsingVB and Visual C++
      • Manipulating Control Placement on the Dialog
    • Using the Resource
      • Embedding the Resource in the EXE
      • Using a Resource in a DLL
        • Creating a Visual C++ resource DLL
        • Creating a VB resource DLL
    • Creating the Subclassing Application
      • The Code Behind the frmMain.frm Module
      • The Code Behind the Module1.bas Module
        • The dialog creation structure
        • The code for the Module1.bas module
        • The dialog hook procedure
        • Dialog initialization
        • Processing dialog box notification messages
        • Processing messages from the controls on the child dialog box
        • Processing the dialog shutdown messages
        • Default message processing
    • Subclassing Common Dialog Boxes Other Than Open and Save As
      • The Dialog Template Resource
        • Creating a dialog resource file
        • The Color common dialog
        • The Font common dialog
        • The Print common dialog
        • The Page Setup common dialog
        • The Print Property Sheet common dialog
        • The Find common dialog
        • The Replace common dialog
      • Receiving Notification and Control Messagesfrom the Dialog
    • Problems Subclassing the Find and Replace Common Dialogs
  • 6. ActiveX Controls and Subclassing
    • Subclassing a Third-PartyActiveX Control
    • Subclassing an ActiveX ControlCreated in VB
      • Creating the Control
      • Creating the Project to Subclass the Control
    • Subclassing a UserControl from Within a VB-Created ActiveX Control
      • Creating the Control
        • The UserControl module
        • The Module1.bas module
      • Hosting the Control
    • Creating an ActiveX Control That Subclasses Other Windows
      • Creating the First Version of the Control
      • Creating the Second Version of the Control
      • Creating the Third Version of the Control
  • 7. Superclassing
    • What Is Superclassing?
      • Similarities and Differences Between Subclassing and Superclassing
      • When to Use Superclassing
    • How the Superclassing Example Works
      • The Code
        • The module-level declarations
        • The Sub Main procedure
        • Message loop operation
        • Class creation
        • Window creation
        • The superclass procedures
    • Peering into the Superclassing Application with Spy++
  • 8. Debugging Techniques for Subclassing
    • Where to Start
      • Subclassing Checklist
      • Stepping Through the Application
      • Log Files
    • Microsoft Tools
      • Spy++
      • DBGWPROC.DLL
    • NuMegas SmartCheck
• III. Hooking
  • 9. WH_CALLWNDPROC
    • How WH_CALLWNDPROC Works
      • Filter Function Definition
      • Location of This Hook in the System
    • A Thread-Specific Example
    • Caveats
  • 10. WH_CALLWNDPROCRET
    • How WH_CALLWNDPROCRET Works
      • Filter Function Definition
      • Location of This Hook in the System
    • A Thread-Specific Example
    • Caveats
  • 11. WH_GETMESSAGE
    • How WH_GETMESSAGE Works
      • Filter Function Definition
      • Location of This Hook in the System
    • A Thread-Specific Example
      • Other Uses of This Hook
    • Caveats
  • 12. WH_KEYBOARD and WH_KEYBOARD_LL
    • How Keyboard Messaging Operates
    • Description of Hooks
      • Filter Function Definitions
      • Explanation of Hook Codes
      • Location of This Hook in the System
    • A Thread-Specific Example
    • A System-Wide Example
    • A Low-Level Hook Example
    • Caveats
  • 13. WH_MOUSE and WH_MOUSE_LL
    • How Mouse Messaging Operates
      • The Mouse Capture
      • Mouse Click Messages
    • Description of Hooks
      • Filter Function Definitions
      • Explanation of Hook Codes
    • Location of This Hook in the System
    • A Single-Thread Example
    • A System-Wide Hook Example
      • Low-Level Mouse Hook Example
    • Caveats
  • 14. WH_FOREGROUNDIDLE
    • Description
    • Location of This Hook in the System
    • Background Processing Example
    • Caveats
  • 15. WH_MSGFILTER
    • Description
      • The Modal Loop
      • Filter Function Definition
      • Explanation of Hook Codes
      • Location of This Hook in the System
    • A Thread-Specific Example
    • Caveats
  • 16. WH_SYSMSGFILTER
    • Description
      • Filter Function Definition
      • Explanation of Hook Codes
      • Location of This Hook in the System
    • A System-Wide Example
    • Caveats
  • 17. WH_SHELL
    • Description
      • Filter Function Definition
      • Explanation of Hook Codes
    • Location of This Hook in the System
    • A Thread-Specific Example
      • Using the Application
      • The Code
    • Caveats
  • 18. WH_CBT
    • Description
      • Filter Function Definition
      • Explanation of Hook Codes
      • Comparing WH_SHELL to WH_CBT
    • A Thread-Specific Example
      • Using the WH_JOURNALPLAYBACK Hookwith a CBT
    • Caveats
  • 19. WH_JOURNALRECORD
    • Description
      • Stopping This Hook
      • Explanation of Hook Codes
      • Location of This Hook in the System
    • The Macro Recorder Example
    • Caveats
  • 20. WH_JOURNALPLAYBACK
    • Description
      • Explanation of Hook Codes
      • Location of This Hook in the System
    • The Macro Recorder/Playback Example
    • Caveats
  • 21. WH_DEBUG
    • Description
      • Filter Function Definition
      • Explanation of Hook Codes
    • A Thread-Specific Example
    • Some WH_DEBUG Scenarios
      • Problem: Misbehaving System-Wide Hook
      • Problem: Determining if Hooks Are Interfering with Each Other
      • Problem: Performance Degradation
    • Caveats
• IV. The .NET Platform
  • 22. Subclassing .NET WinForms
    • What Is a WinForm?
      • Using a WinForm
    • Instance Subclassing
      • Technique #1: Overriding the WinProc Method
        • The application
        • The .VB file
      • Technique #2: Binding to a NativeWindow Class Instance
        • The application
        • The .VB file
      • Technique #3: The IMessageFilter Interface
        • The application
        • The .VB file
    • Subclassing a Control
      • The application
        • The .VB file
    • Superclassing
      • The application
        • The .VB file
    • Superclassing a Control
      • The application
        • The .VB file
    • Intercepting Keystrokes in a WinForm
      • The application
        • The .VB file
    • Behind the Scenes with Spy++
  • 23. Implementing Hooks in VB.NET
    • Hooks and VB.NET
    • Delegates
      • A Simple Example Using Delegates
    • Implementing the WH_KEYBOARD Hook
      • The Application
      • The .VB File
    • Implementing the WH_MOUSE Hook
      • The Application
      • The .VB File
• V. Appendixes
  • A. Messages
    • Window Messages
      • Public Const WM_NULL = &H0
      • Public Const WM_CREATE = &H1
      • Public Const WM_DESTROY = &H2
      • Public Const WM_MOVE = &H3
      • Public Const WM_SIZE = &H5
      • Public Const WM_ACTIVATE = &H6
      • Public Const WM_SETFOCUS = &H7
      • Public Const WM_KILLFOCUS = &H8
      • Public Const WM_SETTEXT = &HC
      • Public Const WM_PAINT = &HF
      • Public Const WM_QUIT = &H12
      • Public Const WM_ERASEBKGND = &H14
      • Public Const WM_SHOWWINDOW = &H18
      • Public Const WM_SETCURSOR = &H20
      • Public Const WM_QUEUESYNC = &H23
      • Public Const WM_GETMINMAXINFO = &H24
      • Public Const WM_WINDOWPOSCHANGING = &H46
      • Public Const WM_WINDOWPOSCHANGED = &H47
      • Public Const WM_CANCELJOURNAL = &H4B
      • Public Const WM_NCCREATE = &H81
      • Public Const WM_NCDESTROY = &H82
      • Public Const WM_NCCALCSIZE = &H83
      • Public Const WM_NCHITTEST = &H84
      • Public Const WM_NCPAINT = &H85
      • Public Const WM_NCACTIVATE = &H86
      • Public Const WM_GETDLGCODE = &H87
      • Public Const WM_NCMOUSEMOVE = &HA0
      • Public Const WM_NCLBUTTONDOWN = &HA1
      • Public Const WM_NCLBUTTONUP = &HA2
      • Public Const WM_NCLBUTTONDBLCLK = &HA3
      • Public Const WM_NCRBUTTONDOWN = &HA4
      • Public Const WM_NCRBUTTONUP = &HA5
      • Public Const WM_NCRBUTTONDBLCLK = &HA6
      • Public Const WM_NCMBUTTONDOWN = &HA7
      • Public Const WM_NCMBUTTONUP = &HA8
      • Public Const WM_NCMBUTTONDBLCLK = &HA9
      • Public Const WM_NCXBUTTONDOWN = &HAB
      • Public Const WM_NCXBUTTONUP = &HAC
      • Public Const WM_NCXBUTTONDBLCLK = &HAD
      • Public Const WM_KEYDOWN = &H100
      • Public Const WM_KEYUP = &H101
      • Public Const WM_CHAR = &H102
      • Public Const WM_SYSKEYDOWN = &H104
      • Public Const WM_SYSKEYUP = &H105
      • Public Const WM_SYSCHAR = &H106
      • Public Const WM_INITDIALOG = &H110
      • Public Const WM_COMMAND = &H111
      • Public Const WM_SYSCOMMAND = &H112
      • Public Const WM_ENTERIDLE = &H121
      • Public Const WM_CTLCOLOREDIT = &H133
      • Public Const WM_CTLCOLORLISTBOX = &H134
      • Public Const WM_CTLCOLORBTN = &H135
      • Public Const WM_CTLCOLORDLG = &H136
      • Public Const WM_CTLCOLORSCROLLBAR = &H137
      • Public Const WM_CTLCOLORSTATIC = &H138
      • Public Const WM_MOUSEMOVE = &H200
      • Public Const WM_LBUTTONDOWN = &H201
      • Public Const WM_LBUTTONUP = &H202
      • Public Const WM_LBUTTONDBLCLK = &H203
      • Public Const WM_RBUTTONDOWN = &H204
      • Public Const WM_RBUTTONUP = &H205
      • Public Const WM_RBUTTONDBLCLK = &H206
      • Public Const WM_MBUTTONDOWN = &H207
      • Public Const WM_MBUTTONUP = &H208
      • Public Const WM_MBUTTONDBLCLK = &H209
      • Public Const WM_XBUTTONDOWN = &H20B
      • Public Const WM_XBUTTONUP = &H20C
      • Public Const WM_XBUTTONDBLCLK = &H20D
      • Public Const WM_PARENTNOTIFY = &H210
      • Public Const WM_ENTERMENULOOP = &H211
      • Public Const WM_EXITMENULOOP = &H212
      • Public Const WM_SIZING = &H214
      • Public Const WM_CAPTURECHANGED = &H215
      • Public Const WM_MOVING = &H216
      • Public Const WM_ENTERSIZEMOVE = &H231
      • Public Const WM_EXITSIZEMOVE = &H232
      • Public Const WM_HOTKEY = &H312
    • Button Control-Specific Messages
      • Public Const BM_GETCHECK = &HF0
      • Public Const BM_SETCHECK = &HF1
      • Public Const BM_CLICK = &HF5
    • Combo Box-Specific Messages
      • Public Const CB_ADDSTRING = &H143
      • Public Const CB_DELETESTRING = &H144
      • Public Const CB_GETCOUNT = &H146
      • Public Const CB_GETCURSEL = &H147
    • Edit Control-Specific Messages
      • Public Const EM_GETLINE = &HC4
      • Public Const EM_CANUNDO = &HC6
      • Public Const EM_UNDO = &HC7
    • Listbox-Specific Messages
      • Public Const LB_ADDSTRING = &H180
      • Public Const LB_DELETESTRING = &H182
      • Public Const LB_SETSEL = &H185
      • Public Const LB_GETSEL = &H187
    • Scroll Bar-Specific Messages
      • Public Const SBM_SETPOS = &HE0
      • Public Const SBM_GETPOS = &HE1
      • Public Const SBM_SETRANGE = &HE2
      • Public Const SBM_GETRANGE = &HE3
    • Messages Specific to the CommonDialog Boxes
      • Public Const CDM_GETFILEPATH = (CDM_FIRST + &H1)
      • Public Const CDM_GETFOLDERPATH = (CDM_FIRST + &H2)
      • Public Const CDM_GETSPEC = (CDM_FIRST + &H0)
      • Public Const CDM_HIDECONTROL = (CDM_FIRST + &H5)
      • Public Const CDM_SETCONTROLTEXT = (CDM_FIRST + &H4)
      • Public Const CDM_SETDEFEXT = (CDM_FIRST + &H6)
    • Messages Specific to the Font Common Dialog Box
      • Public Const WM_CHOOSEFONT_GETLOGFONT = _USER + 1)
      • Public Const WM_CHOOSEFONT_SETLOGFONT = (WM_USER + 101)
      • Public Const WM_CHOOSEFONT_SETFLAGS = (WM_USER + 102)
    • Messages Specific to the Page Setup Common Dialog Box
      • Public Const WM_PSD_PAGESETUPDLG = (WM_USER)
      • Public Const WM_PSD_FULLPAGERECT = (WM_USER+1)
      • Public Const WM_PSD_MINMARGINRECT = (WM_USER+2)
      • Public Const WM_PSD_MARGINRECT = (WM_USER+3)
      • Public Const WM_PSD_ENVSTAMPRECT = (WM_USER+5)
      • Public Const WM_PSD_FULLPAGERECT = (WM_USER+6)
  • B. API Functions
    • AttachThreadInput
    • BroadcastSystemMessage
    • CallNextHookEx
    • CallWindowProc
    • ChooseColor
    • ChooseFont
    • CopyMemory
    • CreateWindowEx
    • DefWindowProc
    • EnumChildWindows
    • FindText
    • FindWindow
    • FindWindowEx
    • GetClassInfoEx
    • GetDeskTopWindow
    • GetDlgItem
    • GetMessage
    • GetParent
    • GetSaveFileName
    • GetWindow
    • GetWindowLong
    • GetWindowRect
    • OutputDebugStringA
    • PageSetupDlg
    • PeekMessage
    • PostMessage
    • PostQuitMessage
    • PostThreadMessage
    • PrintDlg
    • PrintDlgEx
    • RegisterClassEx
    • RegisterWindowMessage
    • ReleaseCapture
    • ReplaceText
    • SendDlgItemMessage
    • SendMessage
    • SendMessageCallback
    • SendMessageTimeout
    • SendNotifyMessage
    • SetCapture
    • SetClassLongPtr
    • SetWindowLongPtr
    • SetWindowPos
    • SetWindowsHookEx
    • ShowWindow
    • UnhookWindowsHookEx
    • UnregisterClass
  • C. Structures and Constants
    • CBT_CREATEWND
      • CBT_CREATEWND
    • CBTACTIVATESTRUCT
      • CBTACTIVATESTRUCT
    • CHOOSECOLOR
      • CHOOSECOLOR
    • CHOOSEFONT
      • CHOOSEFONT
    • CWPRETSTRUCT
      • CWPRETSTRUCT
    • CWPSTRUCT
      • CWPSTRUCT
    • DEBUGHOOKINFO
      • DEBUGHOOKINFO
    • EVENTMSG
      • EVENTMSG
    • FINDREPLACE
      • FINDREPLACE
    • KBDLLHOOKSTRUCT
      • KBDLLHOOKSTRUCT
    • MOUSEHOOKSTRUCT
      • MOUSEHOOKSTRUCT
    • MOUSEHOOKSTRUCTEX
      • MOUSEHOOKSTRUCTEX
    • MSG
      • MSG
    • MSLLHOOKSTRUCT
      • MSLLHOOKSTRUCT
    • NMHDR
      • NMHDR
    • OPENFILENAME
      • OPENFILENAME
    • PAGESETUPDLG
      • PAGESETUPDLG
    • POINTAPI
      • POINTAPI
    • PRINTDLG
      • PRINTDLG
    • PRINTDLGEX
      • PRINTDLGEX
    • RECT
      • RECT
    • WNDCLASSEX
      • WNDCLASSEX
    • Message (.NET Structure)
      • Message (.NET Structure)
    • Constants
      • BroadcastSystemMessage Function Masks
      • Common Dialog Box Error Messages
      • Common Dialog Box Notification Messages
      • Class Styles
      • Edit Control Notification Codes
      • Extended Window Styles
      • GetClassLongPtr Function Constants
      • GetWindow API Function Constants
      • GetWindowLongPtr Function Constants
      • Hook Codes
        • General
        • Computer-based training (CBT) hook codes
        • WH_MSGFILTER hook codes
        • WH_SHELL hook codes
      • HSHELL_ACCESSIBILITYSTATE Constants
      • Key State Masks for Mouse Messages
      • Low-Level Hook Constants
      • Mouse Wheel Constant
      • Open and Save As Common Dialog BoxNotification Codes
      • PeekMessage Function Options
      • PostMessage and SendMessage Function Constants
      • Predefined Control ID Values for the Open andSave As Common Dialog Boxes
      • SendMessageTimeout API Function Constants
      • SetWindowLongPtr/GetWindowLongPtr Function Constants
      • SetWindowPos Function Constants
      • ShowWindow Function Constants
      • User Button Notification Codes
      • Virtual Key Codes
      • Window Hook Constants
      • Window Styles
      • WM_KEYUP, WM_DOWN, andWM_CHAR lParam HIWORD Flags
      • WM_NCHITTEST Codes
      • WH_SHELL Codes for the HSHELL_APPCOMMAND Hook Code
      • WM_SIZE Message wParam Values
      • WM_SYSCOMMAND Message wParam Constants
      • XButton Constants
• Index
• About the Author
• Colophon
• Copyright

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