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<html><head><title>TRACKER Sample: Illustrates Various CRectTracker Styles and Options</title></head><body><h1>TRACKER Sample: Illustrates Various CRectTracker Styles and Options</h1><div id="mainSection"><div id="mainBody"><div id="allHistory" class="saveHistory" onsave="saveAll()" onload="loadAll()"></div><p /><p>The TRACKER sample is a test application that provides an exhaustive illustration of <b>CRectTracker</b> member functions, styles, and options. For a real-world example that uses <b>CRectTracker</b>, see DRAWCLI, the object-oriented drawing sample application.</p><div class="alert"><table width="100%" cellspacing="0" cellpadding="0"><tr><th align="left">Security Note </th></tr><tr><td><p>This sample code is provided to illustrate a concept and should not be used in applications or Web sites, as it may not illustrate the safest coding practices.</p></td></tr></table></div><h1 class="heading">Building and Running the Sample</h1><div id="sectionSection0" class="seeAlsoNoToggleSection"><h4 class="subHeading">To build and run the TRACKER sample</h4><div class="subSection"><ol><li><p>Open the solution tracker.sln. </p></li><li><p>On the <b>Build</b> menu, click <b>Build</b>. </p></li><li><p>On the <b>Debug</b> menu, click <b>Start Without Debugging</b>. </p></li></ol></div><p>TRACKER initially displays a square with four colored and numbered quadrants. The quadrants are displayed to help you see when the square is inverted horizontally and/or vertically. Initially, the square has no <b>CRectTracker</b> adornments. Try the various toolbar commands, or <b>Edit</b> menu commands, to turn on and off <b>CRectTracker</b> styles, including dotted or solid lines; hatched border, inside or outside the rectangle; and resize handles, inside or outside the rectangle.</p><p>Note how the cursor changes shape over parts of the rectangle to indicate what happens if you drag the mouse. Try moving and resizing the rectangle.</p></div><h1 class="heading">Keywords</h1><div id="sectionSection1" class="seeAlsoNoToggleSection"><p>This sample demonstrates the following keywords:</p><p>CBrush::CreateSolidBrush; CDialog::DoModal; CDocument::OnNewDocument; CDocument::SetModifiedFlag; CDocument::UpdateAllViews; CFrameWnd::Create; CFrameWnd::LoadFrame; CGdiObject::DeleteObject; CObject::AssertValid; CObject::Dump; CObject::Serialize; CRect::Height; CRect::IntersectRect; CRect::Width; CRectTracker::Draw; CRectTracker::GetTrueRect; CRectTracker::HitTest; CRectTracker::SetCursor; CRectTracker::Track; CRectTracker::TrackRubberBand; CView::DoPreparePrinting; CView::GetDocument; CView::OnBeginPrinting; CView::OnDraw; CView::OnEndPrinting; CView::OnPreparePrinting; CView::OnUpdate; CWinApp::AddDocTemplate; CWinApp::InitInstance; CWinApp::LoadStdProfileSettings; CWinApp::OnFileNew; CWnd::DoDataExchange; CWnd::InvalidateRect; CWnd::OnCreate; CWnd::OnLButtonDown; CWnd::OnSetCursor; CWnd::ShowWindow; CWnd::UpdateWindow; ExtTextOut; GetTextMetrics; LoadBitmap; MessageBeep; PatBlt; RGB; SelectObject; SetBkMode; SetTextAlign; abs</p><div class="alert"><table width="100%" cellspacing="0" cellpadding="0"><tr><th align="left">Note </th></tr><tr><td><p>Some samples, such as this one, have not been modified to reflect the changes in the Visual C++ wizards, libraries, and compiler, but still demonstrate how to complete your desired task. </p></td></tr></table></div></div></div><div id="footer"><div class="footerLine"></div>
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