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 c...

Ngày tải lên: 12/08/2014, 21:20

... 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 e...

Ngày tải lên: 12/08/2014, 21:20

... 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 SY...

Ngày tải lên: 12/08/2014, 21:20

... 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...

Ngày tải lên: 12/08/2014, 21:20

... 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 b...

Ngày tải lên: 12/08/2014, 21:20

... 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 constru...

Ngày tải lên: 12/08/2014, 21:20

... 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,...

Ngày tải lên: 12/08/2014, 21:20

... 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...

Ngày tải lên: 12/08/2014, 21:20

... 50 T templates about 77 , 78 example 78 -80 tetris, MFC application wizard about 144, 146 color grid class 146 document class 1 47- 155 gure class 162-1 67 gure information 1 67 square class 146 view ... class, MFC class about 1 37 example 1 37- 140 size class, MFC class CSize class 128 spread sheet, calc application cell 268 cell.cpp 275 -285 cell.h 270 - 274 CellMatrix.cpp 2 87...

Ngày tải lên: 12/08/2014, 21:20