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HTML
53 lines
No EOL
2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<html lang="en">
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<head>
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<meta http-equiv="Content-Language" content="en-us">
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<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
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<meta name="ProgId" content="FrontPage.Editor.Document">
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Adding watchpoints</title>
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<link rel="stylesheet" type="text/css" href="../help.css">
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</head>
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<body>
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<h1>Adding watchpoints</h1>
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<p>A watchpoint is a special breakpoint that stops the execution of an
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application whenever the value of a given expression changes, without specifying
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where this may happen. Unlike breakpoints which are line-specific watchpoints
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are associated with files. They take effect whenever a specified condition is
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true regardless of when or where it occurred.
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To set a watchpoint on a global variable highlight the variable in the editor or
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select it in the outline view. </p>
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<p>To set a watchpoint on a global variable:</p>
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<ol>
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<li>Highlight the variable in the editor or select it in the outline view.</li>
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<li>Click <b>Run > Toggle Watchpoint</b>.</li>
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<li>Do any of the following:</li>
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<ul><li>To stop execution when the watch expression is read, select the
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<b>Read</b> check box.</li>
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<li>To stop execution when the watch expression is written to, select the <b>Write</b>
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check box.</li></ul>
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<li>The watchpoint appears in the <b>Breakpoints</b> view
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list.</li>
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</ol>
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<p><img border="0" src="../images/ngconcepts.gif" ALT="Related concepts" width="143" height="21">
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<br>
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<a href="../concepts/cdt_c_over_cdt.htm">C/C++ Development perspective</a></p>
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<p><img border="0" src="../images/ngtasks.gif" ALT="Related tasks" width="143" height="21">
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<br>
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<a href="cdt_o_brkpnts_watch.htm">Working with breakpoints and watchpoints</a></p>
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<p><img border="0" src="../images/ngref.gif" ALT="Related reference" width="143" height="21">
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<br>
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<a href="../reference/cdt_o_run_dbg_pages.htm">Run and Debug dialog box</a></p>
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<img src="../images/ng00_04a.gif" ALT="IBM Copyright Statement" >
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</body>
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</html> |