Microsoft Visual C++ Windows Applications by Example phần 7 pptx

... are a few problems. Let us test if the string "1 * 2 + 3" is accepted by the grammar. We can test that by doing a derivation, where we start with the start symbol (Formula) and apply ... taken care of by UpdateReferences in the syntax tree. It returns true if all goes well and false if any reference is placed outside the spreadsheet. The source set is also updated by a call to ... as parameter and generates m_tokenList by repeatedly calling NextToken until the input string is empty. A null character (\0) is added to the string by the constructor in order not to have...

Microsoft Visual C++ Windows Applications by Example phần 4 pptx

... by several applications, we must destroy it. When we gain focus, we have to create a new caret.void Caret::OnKillFocus(){ m_pFocusView = NULL; ::DestroyCaret();}Ring: A Demonstration Example [ ... The other applications support the multiple document interface, they have one document class object and zero or more view class objects. The following screenshot depicts a classic example of ... CArchive methods Read and Write, respectively.A point is dened as 1 /72 inch. However, the logical coordinate system of choice in the applications of this book is MM_HIMETRIC, hundredths of millimetres....

Microsoft Visual C++ Windows Applications by Example phần 2 doc

... of the application. In C++, an object is dened by its class. A class can be considered a blueprint for one or more objects with the same features. A class is dened by methods and elds. A ... perform conditional programming by checking the value of macros. In the following example, we dene a system integer according to the underlying operating system.#ifdef WINDOWS #define SYSINT int#endif#ifdef ... header le. We create an object by writing the class name followed by the object name. If there is at least one constructor in the class, we have to call it by sending a list of matching actual...

Microsoft Visual C++ Windows Applications by Example phần 3 pdf

... 3[ 97 ] LONG tmOverhang; LONG tmDigitizedAspectX; LONG tmDigitizedAspectY; TCHAR tmFirstChar; TCHAR tmLastChar; TCHAR tmDefaultChar; TCHAR tmBreakChar; BYTE tmItalic; BYTE tmUnderlined; ... tmDefaultChar; TCHAR tmBreakChar; BYTE tmItalic; BYTE tmUnderlined; BYTE tmStruckOut; BYTE tmPitchAndFamily; BYTE tmCharSet; } TEXTMETRIC, *PTEXTMETRIC; BOOL GetTextMetrics(TEXTMETRIC* ... screen we execute the application on). We can address the problem by modifying OnInitialUpdate.Object-Oriented Programming in C++ [ 76 ]Main.cpp#include <iostream>using namespace std;#include...

Microsoft Visual C++ Windows Applications by Example phần 5 pot

... File type long name. This implies that we can start the application in Windows Explorer by choosing the application, or by choosing one of the documents (a le with the extension .drw) of the ... constructor is called by the sub classes in order to initialize the gure's color and mark status. The third constructer is called by the Copy function, which in turn is called by the document ... MODIFY_TOPRIGHT, MODIFY_BOTTOMRIGHT, MODIFY_BOTTOMLEFT,Chapter 7 [ 1 87 ]If the mouse click does not hit the start or end point, we continue by investigating if the user instead has hit the actual...

Microsoft Visual C++ Windows Applications by Example phần 6 docx

... the same size on screens with different size and resolution.Chapter 7 [ 2 27 ] case MODIFY_FIGURE: UnmarkAllFigures(); m_eApplicationState = IDLE; CRect rcOldArea; Figure* pClickedFigure = ... The elds are set by the user and are used when a new gure is added to the drawing. Similar to m_iApplicationState, the values of m_nextColor and m_bNextFill are accessed by the constructor ... Chapter 7 [ 221 ]We start by storing the mouse position, because we will need to keep track of mouse movements. In case the application is in the state of editing a text, we nish that process by...

Microsoft Visual C++ Windows Applications by Example phần 8 ppsx

... cells one by one. We start by dening a test cell matrix and a test target set matrix, which are copies of the document elds m_cellMatrix and m_tSetMatrix.Then we paste the cells one by one. ... one pixel rst, WM_LBUTTON is sent, which is caught by OnLButtonDown, then one or more WM_MOUSEMOVE messages are sent, which are caught by OnMouseMove. Finally WM_LBUTTONDOWN is sent, which ... cell.Chapter 8[ 3 17 ]We scroll one page up or down. Note the difference between scrolling a line. A line always has the same height (ROW_HEIGHT), but a page is dened by the current size...

Microsoft Visual C++ Windows Applications by Example phần 9 doc

... is hundredths of millimeters (MM_HIMETRIC). As a letter 216 times 2 97 millimeter, its total width and height are 21,600 and 27, 900 logical units. The paper has, however, a margin of 25 millimeters, ... m_psLastMark = m_psEdit; }}Chapter 9[ 3 47 ]If the text is empty, we just return index 0. Otherwise, we traverse the lines of the paragraph one by one in order to nd the correct line. Then ... m_paragraphArray[iParagraph]; } ClearCopyArray(); delete m_pNextFont;}Chapter 9[ 3 57 ]We nd the start position of the line by considering the alignment of the paragraph and the width of the line....

Microsoft Visual C++ Windows Applications by Example phần 10 ppt

... 50Ttemplatesabout 77 , 78 example 78 -80tetris, MFC application wizardabout 144, 146color grid class 146document class 1 47- 155gure class 162-1 67 gure information 1 67 square class 146view ... class, MFC classabout 1 37 example 1 37- 140size class, MFC classCSize class 128spread sheet, calc applicationcell 268cell.cpp 275 -285cell.h 270 - 274 CellMatrix.cpp 2 87 CellMatrix.h 286CellMatrix ... 51Nnamespaces 80, 81, 82Oobject-oriented modelabout 50, 51operator overloadingabout 70 , 71 example 71 -76 operatorsabout 21arithmetic operator 21assignment operator 25associativity operator...

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