Advanced MFC Programming

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Chapter 13. Adding Special Features to Application ); MAPPING_PROJECT } if(hMapFile != NULL) { lpMapAddress=(LPSTR)MapViewOfFile ( hMapFile, FILE_MAP_ALL_ACCESS, 0, 0, 0 ); if(lpMapAddress != NULL) { szText=lpMapAddress; } CEdit &editCtrl=((CEditView *)GetActiveView())->GetEditCtrl(); editCtrl.SetSel(0, -1); editCtrl.ReplaceSel(szText); } return (LONG)TRUE; There are other methods for sharing memory among different processes, such as DDE and OLE. Comparing to the two methods, file mapping method is relatively simple and easy to implement. Summary 1) Before a window is created, we must stuff a WNDCLASS type object, register the window class name, and use this name to create the window. Class WNDCLASS contains useful information about the window such as mainframe menu, default icon, default cursor shape, brush that will be used to erase the background, and the window class name. 1) To implement one-instance application, we need to register our own window class name, and override function CWnd::PreCreateWindow(…). Before the window is created, we need to replace the default window class name with the new one. By doing this, we can implement one-instance application by searching for registered window class name: before registering the window class, we can check if there already exists a window that has the same class name. If so, the application simply exits. 1) We can call function CWnd::FindWindow(…) to find out a window with a specific class name or window name in the system. 1) The document/view structure is implemented by class CSingleDocTemplate or CMutiDocTemplate. If we want to create an application that does not use document/view structure, we need to eliminate the procedure of creating CSingleDocTemplate or CMutiDocTemplate type object and call function CWnd::Create(…) to create the mainframe window by ourselves. 1) We can create several CMultiDocTemplate type objects in an application to let it support multiple views or multiple documents. 1) Caption bar and window frame belong to non-client area. To paint non-client area, we need to handle messages WM_NCPAINT and WM_NCACTIVATE. 1) To create a window with transparent background, we need to specify style WS_EX_TRANSPARENT while creating the window. 1) An application can save its states in the system registry by calling function CWinApp::SetRegistryKey(…). The information can be saved and loaded by calling the following functions: CWinApp::WriteProfileInt(…), CWinApp::WriteProfileString(…), CWinApp:: GetProfileInt(…)., CWinApp::GetProfileString(…). 1) To exchange user defined messages between two different processes, we must use function ::RegisterWindowMessage(…) to register the messages. 1) Calling function CWnd::SetWindowPos(…) using parameter CWnd::wndTopMost will make a window always stay on top of any other window. 426
Chapter 13. Adding Special Features to Application 1) Hook can be installed to let a process intercept and process Windows messages before they reach destinations. There are several types of hooks, which include mouse hook, keyboard hook, journal record hook, journal playback hook, etc. 1) A hook can be installed by calling function ::SetWindowsHookEx(…) and removed by calling function ::UnhookWindowsHookEx(…). 1) A DLL does not have its own memory space, instead, its variables are mapped to the memory spaces of the calling processes. To declare static variables in the DLL, we need to specify a data segment by using #pragma data_seg macro and -SECTION link option. 1) To share a file or a block of memory among different processes, we need to create file mapping object. Any process that wants to access the memory must create a view of file, which will map the memory to its own address space. 427
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Advanced MFC Programming Supporting
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Checking a Menu Item 2.2 Right Clic
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Trapping Double Clicking Message Re
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COMMON DIALOG BOXES 7.1 File Open a
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9.1 Outputting Text Using Different
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Summary SAMPLE: SIMPLE PAINT 11.0 P
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13.2 Creating Applications without
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Functions Implementing Comparisons
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Chapter 1. Tool Bar and Dialog Bar
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Chapter 2. Menu Chapter 2 Menu Menu
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Chapter 2. Menu ON_COMMAND(ID_EDIT_
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Chapter 2. Menu “clipboard”. We
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Chapter 2. Menu Using Class CMenu W
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Chapter 2. Menu } After implementin
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Chapter 2. Menu ); UINT nPosition,
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Chapter 2. Menu void CMenuDoc::OnEd
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Chapter 2. Menu } In the sample, bi
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Chapter 2. Menu Message Mapping for
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Chapter 2. Menu CDC *ptrDC; CDC dcM
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Chapter 2. Menu Because the popup m
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Chapter 3. Splitter Window Chapter
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Chapter 3. Splitter Window function
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Chapter 3. Splitter Window BOOL CSp
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Chapter 3. Splitter Window In the a
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Chapter 3. Splitter Window Sample S
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Chapter 3. Splitter Window WM_LBUTT
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Chapter 4. Button Chapter 4 Buttons
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Chapter 4. Button Use string text a
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Chapter 4. Button function, first t
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Chapter 4. Button Now we can remove
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Chapter 4. Button } ( m_bBmpCheck ?
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Chapter 4. Button using bit-wise AN
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Chapter 4. Button Overriding Functi
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Chapter 4. Button …… First pBit
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Chapter 4. Button Using Class MCBit
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Chapter 4. Button The button’s ID
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Chapter 4. Button However, since me
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Chapter 4. Button Here, we use subc
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Chapter 5. Common Controls command
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Chapter 5. Common Controls ((CSpinB
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Chapter 5. Common Controls } The in
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Chapter 5. Common Controls button
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Chapter 5. Common Controls In this
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Chapter 5. Common Controls (CBN_CLO
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Chapter 5. Common Controls compare
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Chapter 5. Common Controls } ptrEdi
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Chapter 5. Common Controls ……
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Chapter 5. Common Controls void CWn
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Chapter 5. Common Controls Five loc
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Chapter 5. Common Controls This fun
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Chapter 5. Common Controls After cr
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Chapter 5. Common Controls typedef
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Chapter 5. Common Controls Using th
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Chapter 5. Common Controls Paramete
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Chapter 5. Common Controls void MCT
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Chapter 5. Common Controls modifica
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Chapter 5. Common Controls In funct
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Chapter 5. Common Controls Changing
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Chapter 5. Common Controls m_tabCtr
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Chapter 5. Common Controls Custom R
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Chapter 6. Dialog Box Chapter 6 Dia
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Chapter 6. Dialog Box void CMLDialo
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Chapter 6. Dialog Box } Function CP
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Chapter 6. Dialog Box Everything is
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Chapter 6. Dialog Box } MINMAXINFO;
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Chapter 6. Dialog Box Sample Sampel
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Chapter 6. Dialog Box } brush=(HBRU
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Chapter 6. Dialog Box wndA.GetWindo
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Chapter 6. Dialog Box rectStaticGrp
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Chapter 6. Dialog Box } TOOLTIPTEXT
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Chapter 6. Dialog Box ) { } if ( )
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Chapter 6. Dialog Box pWndCtrl=GetW
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Chapter 6. Dialog Box Sample 6.8-2\
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Chapter 6. Dialog Box } // handle t
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Chapter 6. Dialog Box 1) Tracking s
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Chapter 7. Common Dialog Boxes DWOR
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Chapter 7. Common Dialog Boxes } {
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Chapter 7. Common Dialog Boxes } }
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Chapter 7. Common Dialog Boxes dial
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Chapter 7. Common Dialog Boxes Alth
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Chapter 7. Common Dialog Boxes } NU
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Chapter 7. Common Dialog Boxes Stc3
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Chapter 7. Common Dialog Boxes DWOR
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Chapter 7. Common Dialog Boxes the
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Chapter 7. Common Dialog Boxes Comm
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Chapter 7. Common Dialog Boxes Retr
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Chapter 7. Common Dialog Boxes 7.9
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Chapter 7. Common Dialog Boxes } }
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Chapter 7. Common Dialog Boxes …
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Chapter 7. Common Dialog Boxes …
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Chapter 8. DC, Pen, Brush and Palet
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Chapter 9. Font Here, member lfFace
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Chapter 9. Font } dlg.m_bBgdStyle=m
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Chapter 9. Font The first element o
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Chapter 9. Font int CALLBACK EnumFo
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Chapter 9. Font for(i=0; iGetSafeHa
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Chapter 9. Font }; Variable m_nRang
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Chapter 9. Font Frame border is gra
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Chapter 9. Font CFont *ptrFont; if(
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Chapter 9. Font POINT pt; CClientDC
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Chapter 9. Font } if(dlg.DoModal()
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Chapter 9. Font In this function, W
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Chapter 9. Font } CScrollView::OnKe
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Chapter 9. Font …… } nKeyState=
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Chapter 9. Font To check out if the
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Chapter 9. Font the same, it indica
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Chapter 9. Font } if(m_nSelIndexBgn
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Chapter 9. Font GHND GPTR Same with
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Chapter 9. Font …… } { Since th
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Chapter 9. Font Function CDocument:
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Chapter 9. Font …… void CGDIDoc
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Chapter 9. Font …… { } UpdateAl
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Chapter 9. Font …… …… case
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Chapter 9. Font client window to be
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Chapter 10. Bitmap ); DWORD dwRop T
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Chapter 10. Bitmap Sample 10.1-2\GD
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Chapter 10. Bitmap The next part of
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Chapter 10. Bitmap Sample Sample 10
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Chapter 10. Bitmap } pPalDraw=pDoc-
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Chapter 10. Bitmap Member bfType mu
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Chapter 10. Bitmap …… dwSize=bf
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Chapter 10. Bitmap Now the size of
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Chapter 10. Bitmap fuColorUse Speci
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Chapter 10. Bitmap if(hData != NULL
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Chapter 10. Bitmap …… …… cl
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Chapter 10. Bitmap used as the orig
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Chapter 10. Bitmap With the above i
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Chapter 10. Bitmap …… } } { if(
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Chapter 10. Bitmap …… } rgbQuad
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Chapter 10. Bitmap DIB Section Both
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Chapter 10. Bitmap } } if(m_pBmpMas
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Chapter 10. Bitmap …… m_pBmpOld
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Chapter 10. Bitmap BITMAP bm; …
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Chapter 10. Bitmap Draw this portio
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Chapter 10. Bitmap 1) Paint the des
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Chapter 10. Bitmap color bitmap, bu
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Chapter 10. Bitmap 10) The total im
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Chapter 11. Sample: Simple Paint Af
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Chapter 11. Sample: Simple Paint CG
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Chapter 11. Sample: Simple Paint
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Chapter 11. Sample: Simple Paint 1)
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Chapter 12. Screen Capturing & Prin
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Chapter 12. Screen Capturing & Prin
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Chapter 16. Context Sensitive Help
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Appendix A. Virtual-key Codes Appen
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Appendix A. Virtual-key Codes Funct
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Appendix B. Ternary Raster Operatio
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Index Index #if, 416 #pragma, 416 .
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Index CDC::SetPixel, 321 CDC::SetRO
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Index CRectTracker, 345 CRectTracke
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Index CWnd::SetMenu, 55 CWnd::SetTi
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Index HBRUSH, 201 HCURSOR, 262 HDAT
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Index Background palette, 224 Chang
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Index Default tool bar, 1 Enable or
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