Beginning Visual C plus plus phần 3 potx

... Demo- VariableDeclare.aspx in the code download): string strCarType1, strCarType2, strCarType3; strCarType1 = "Buick"; strCarType2 = "Cadillac"; strCarType3 = "Pontiac"; You can ... (chkCities.Items[0].Selected) msg += chkCities.Items[0].Text + "<br />"; if (chkCities.Items[1].Selected) msg += chkCities.Items[1].Text + "<br />";...

Ngày tải lên: 13/08/2014, 04:21

... Page_Load"); MakeItalic(Label1, CheckBox1.Checked); MakeItalic(Label2, CheckBox2.Checked); MakeItalic(Label3, CheckBox3.Checked); } void MakeItalic(Label TargetLabel, bool ItalicYN) { Trace.Write("NOTE ... parameters. The code for the function is then written within a block surrounded by curly braces {}. Good practice dictates that each function start with some comments identifying...

Ngày tải lên: 13/08/2014, 04:21

... btnCloseConnection_Click procedure: Private Sub btnCloseConnection_Click(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles btnCloseConnection.Click ‘Close the database connection objData.CloseConnection() ‘Set ... data access base class Using objAccessDB As New WDABase Try ‘Get all Projects in a DataReader object objAccessDB.SQL = “usp_SelectProjects” objAccessDB.InitializeComma...

Ngày tải lên: 12/08/2014, 10:21

... 8-bit characters, but the compiler ensures it is converted to a wide-character string. You can access individual characters in a string by using a subscript just like an array, and the first char- acter ... function main(), a function consists of a function header that iden- tifies the function, followed by the body of the function between curly braces containing the executable code for the f...

Ngày tải lên: 12/08/2014, 10:21

... the Client Area Redrawn 731 Defining Classes for Elements 732 The CElement Class 736 The CLine Class 737 Calculating the Enclosing Rectangle for a Line 742 The CRectangle Class 742 The CCircle Class ... Functions? 233 Structure of a Function 233 The Function Header 233 The Function Body 234 The return Statement 235 Using a Function 235 Function Prototypes 235 Passing Arguments to a...

Ngày tải lên: 12/08/2014, 10:21

... program produces this output: Default constructor called. Default constructor called. Default constructor called. Default constructor called. Default constructor called. Constructor called. Volume ... objects created is accu- mulated. You can’t initialize it in another member function because a member function is associated with Class Definition class CBox { public: static int objectCount;...

Ngày tải lên: 12/08/2014, 10:21

... base copy construc- tor call, the output is as follows: CBox constructor called CCandyBox constructor2 called CBox copy constructor called CCandyBox copy constructor called Volume of chocBox is ... constructor for the CCandyBox class. The copy constructor then becomes: // Derived class copy constructor CCandyBox(const CCandyBox& initCB): CBox(initCB) { cout << endl << “CCandy...

Ngày tải lên: 12/08/2014, 10:21

... store debug facility starts with: Detected memory leaks! Dumping objects -> {1 43} normal block at 0x0 035 5F08, 15 bytes long. Data: < > CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD {142} normal ... the BooleanSwitch class constructors. You can create a TraceSwitch object like this: TraceSwitch^ traceCtrl = gcnew TraceSwitch(L”Update”, L”Traces update operations”); The first argumen...

Ngày tải lên: 12/08/2014, 10:21

... is: // Class defining a circle object class CCircle: public CElement { public: ~CCircle(void); virtual void Draw(CDC* pDC); // Function to display a circle // Constructor for a circle object CCircle(CPoint ... Elements.cpp: // Constructor for a curve object CCurve::CCurve(COLORREF aColor) { m_Color = aColor; m_EnclosingRect = CRect(0,0,0,0); m_Pen = 1; } // Draw a curve void CCurve::Draw(CDC*...

Ngày tải lên: 12/08/2014, 10:21

... the code that follows. You can set the parameter count in the CCustomerSet constructor as follows: CCustomerSet::CCustomerSet(CDatabase* pdb) : CRecordset(pdb) , m_CustomerIDparam(_T””)) { m_CustomerID ... view. After creating a view object, you define a CCreateContext object, context. A CCreateContext object is necessary only when you are creating a window for a view that is to be connecte...

Ngày tải lên: 12/08/2014, 10:21