Visual C++ and MFC Programming 2nd Edition

Visual C++ and MFC Fundamentals Chapter 15: Fundamental Controls

void CQuadrilateral::OnPaint()

{

CPaintDC dc(this); // device context for painting

CRect Recto;

// Create a light green brush

CBrush BrushLightGreen(RGB(212, 235, 235));

// Create a navy pen

CPen PenNavy(PS_SOLID, 1, RGB(0, 0, 128));

// Create a green brush

CBrush BrushGreen(RGB(100, 175, 180));

// Create a dark green pen

CPen PenGreen(PS_SOLID, 2, RGB(0, 115, 115));

// Get the location and dimensions of the client rectangle

GetClientRect(&Recto);

// Select the light green brush

CBrush *pOldBrush = dc.SelectObject(&BrushLightGreen);

// Select the navy pen

CPen *pOldPen = dc.SelectObject(&PenNavy);

// Draw a rectangular shape on the left side of the property page

dc.Rectangle(0, 0, 162, Recto.Height());

// Select the green brush

pOldBrush = dc.SelectObject(&BrushGreen);

// Select the dark green pen

pOldPen = dc.SelectObject(&PenGreen);

// Draw the square

dc.Rectangle(40, 40, 120, 100);

// Draw the rectangle

dc.Rectangle(20, 170, 140, 240);

// Set the back mode to transparent for the text

dc.SetBkMode(TRANSPARENT);

// Display indicative labels

dc.TextOut(60, 105, "Square");

dc.TextOut(45, 250, "Rectangle");

// Restore the old GDI tools

dc.SelectObject(pOldPen);

dc.SelectObject(pOldBrush);

if (IsIconic())

{

SendMessage(WM_ICONERASEBKGND,

reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

// Center icon in client rectangle

int cxIcon = GetSystemMetrics(SM_CXICON);

int cyIcon = GetSystemMetrics(SM_CYICON);

CRect rect;

GetClientRect(&rect);

int x = (rect.Width() - cxIcon + 1) / 2;

int y = (rect.Height() - cyIcon + 1) / 2;