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<title>Debugging your project</title>
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<h1>Debugging your project</h1>
<p>The debugger lets you control the execution of your program by setting
breakpoints, suspending executed programs, stepping through your code, and
examining the contents of variables.</p>
<p>To debug a project:</p>
<ol>
<li>Click <b>Run > Debug</b>.<p>The Debug dialog box
opens.</li>
<li>Double-click <b>C++ Local</b>.</li>
<li>In the <b>Name</b> box, type <b>Hello World</b>.</li>
<p>You can now select this debug launch configuration by name the next time
that you debug this project.</p>
<li>In the <b>C/C++ Application</b> box, type <b>hello.exe</b>.</li>
<li>Click <b>Debug</b>.</li>
<p>The debug perspective the hello.exe application window open.
The C/C++ editor is repositioned in the perspective.</p>
<li>In the left margin of the main.cpp window, double-click to set a
breakpoint on:<br>
cout << "You just entered"</li>
<li>Click <b>Run > Resume</b>.</li>
<li>When prompted, type a value other than 'm'.<br>
The breakpoint will be hit.</li>
<li>In the Variable view, verify that the variable is not 'm'.</li>
<li>Click <b>Run > Resume</b>.</li>
<li>When prompted, type a value other than 'm'.</li>
<p>The breakpoint will be hit.</p>
<li>In the <b>Variable</b> view, verify that the variable is not 'm'.</li>
<li>In the <b>Variable</b> view, right-click the input variable, and select <b>Change
Variable Value</b> and type <b>'m'</b>.</li>
<li>Click <b>Run > Resume</b>.</li>
<p>The output in the hello.exe application window is:<br>
"You just entered m, you need to enter m to exit."<li>Type <b>'m'</b> to end the program.<br>
The hello.exe application window closes and the debug session ends. The debug
perspective remains open.</li>
</ol>
<p>To learn more about the debug aids at your disposal, refer to the related
debug conceptual topics.</p>
<p align="left"> <a href="cdt_w_build.htm">
<img border="0" src="../images/ngback.gif" width="16" height="16"></a><b> <a href="cdt_w_build.htm">Back: Building your project</a></b> </p>
<p><img border="0" src="../images/ngconcepts.gif" ALT="Related concepts" width="143" height="21">
<br>
<a href="../concepts/cdt_c_over_dbg.htm">Debug overview</a><br>
<a href="../concepts/cdt_c_dbg_info.htm">Debug information</a></p>
<p><img border="0" src="../images/ngtasks.gif" ALT="Related tasks" width="143" height="21">
<br>
<a href="../tasks/cdt_o_debug.htm">Debugging</a></p>
<p><img border="0" src="../images/ngref.gif" ALT="Related reference" width="143" height="21">
<br>
<a href="../reference/cdt_u_dbg_view.htm">Debug view</a><br>
<a href="../reference/cdt_u_dbg_view.htm">Debug launch controls</a><br>
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