<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en"> <head> <meta http-equiv="Content-Language" content="en-us"> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Adding breakpoints</title> <link rel="stylesheet" type="text/css" href="../help.css"> <script language="JavaScript"> function changeSize(theImage,wd,ht) { wdth=parseInt(theImage.style.width); hght=parseInt(theImage.style.height); if ( !(wdth==(wd*2)) ) {wdth=wd*2; hght=ht*2;} else {wdth=wd;hght=ht;} theImage.style.width=wdth; theImage.style.height=hght; } </script> </head> <body> <div role="main"><h1>Adding breakpoints</h1> <p>A breakpoint is set on an executable line of a program. If the breakpoint is enabled when you debug, the execution suspends before that line of code executes.</p> <p>To add a breakpoint point, double click the marker bar located in the left margin of the <strong>C/C++ Editor</strong> beside the line of code where you want to add a breakpoint. A dot <img alt="Icon: Breakpoint object" src="../images/icon_breakpoint_obj.gif" width="16" height="16"> is displayed in the marker bar and in the <strong>Breakpoints</strong> view, along with the name of the associated file.</p> <p><img src="../images/add_breakpoint.png" alt="Edit view with the cursor highlighting a breakpoint"> </p> <p>For more information on marker bar icons, see <strong>Workbench User Guide > Reference > User interface information > Icons and buttons > Editor area marker bar</strong>.</p> <p><img src="../images/ngconcepts.gif" ALT="Related concepts" width="143" height="21"> <br> <a href="../concepts/cdt_c_over_cdt.htm">C/C++ Development perspective</a><br> </p> <p><img src="../images/ngtasks.gif" ALT="Related tasks" width="143" height="21"> <br> <a href="cdt_o_brkpnts_watch.htm">Using breakpoints and watchpoints</a></p> <p><img src="../images/ngref.gif" ALT="Related reference" width="143" height="21"> <br> <a href="../reference/cdt_o_run_dbg_pages.htm">Run and Debug dialog box</a></p> <img src="../images/ng00_04a.gif" ALT="IBM Copyright Statement" > </div></body> </html>