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< title > Debugging your project< / title >
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< h1 > Debugging a project< / h1 >
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< 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 >
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< li > Click < b > Run > Debug Configurations...< / b > .< p > The Debug Configurations dialog opens.< / li >
< li > Double-click < b > C++ Application< / b > .< / li >
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< li > In the < b > Name< / b > field, type < b > Hello World< / b > .< / li >
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< p > You can now select this debug launch configuration by name the next time
that you debug this project.< / p >
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< li > In the < b > Project< / b > box, type < b > hello.exe< / b > . [???????]< / li >
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< li > Click < b > Debug< / b > .< / li >
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< p > You will be prompted to switch to the Debug Perspective. Click < b > Yes< / b > < / p >
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< p > You will now see the debug perspective with the hello.exe application window open.
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The C/C++ editor repositions in the perspective.< / p >
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< 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 >
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< p > To learn more about the debugging, see to the related debug conceptual topics.< / p >
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< img border = "0" src = "../images/ngback.gif" width = "16" height = "16" alt = "Back icon" > < / a > < b > < a href = "cdt_w_build.htm" > Back: Building a project< / a > < / b > < / p >
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< p > < img border = "0" src = "../images/ngconcepts.gif" ALT = "Related concepts" width = "143" height = "21" >
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< a href = "../concepts/cdt_c_over_dbg.htm" > Debug overview< / a > < br >
< a href = "../concepts/cdt_c_dbg_info.htm" > Debug information< / a > < / p >
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< 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" >
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< 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 >
< / p >
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