Choose the. NET desktop development workload, then choose Modify. Press Esc to close the start window. NET Framework project. In the dialog box that appears, type a name like get-started-debugging , and then choose Create. In the left pane of the New project dialog box, under Visual C , choose Windows Desktop , and then in the middle pane choose Console App. NET Framework. Then, type a name like get-started-debugging and click OK. If you don't see the Console App. F5 starts the app with the debugger attached to the app process, but right now we haven't done anything special to examine the code.
So the app just loads and you see the console output. In this tutorial, we'll take a closer look at this app using the debugger and get a look at the debugger features. Stop the debugger by pressing the red stop button. In the foreach loop of the Main function, set a breakpoint by clicking the left margin of the following line of code:. Breakpoints are the most basic and essential feature of reliable debugging.
A breakpoint indicates where Visual Studio should suspend your running code so you can take a look at the values of variables, or the behavior of memory, or whether or not a branch of code is getting run.
Tutorial: Learn to debug C# code using Visual Studio
Press F5 or the Start Debugging button , the app starts, and the debugger runs to the line of code where you set the breakpoint. The yellow arrow represents the statement on which the debugger paused, which also suspends app execution at the same point this statement has not yet executed. If the app is not yet running, F5 starts the debugger and stops at the first breakpoint.
Otherwise, F5 continues running the app to the next breakpoint. Breakpoints are a useful feature when you know the line of code or the section of code that you want to examine in detail. Mostly, we use the keyboard shortcuts here, because it's a good way to get fast at executing your app in the debugger equivalent commands such as menu commands are shown in parentheses.
While paused in the shape. F11 is the Step Into command and advances the app execution one statement at a time. F11 is a good way to examine the execution flow in the most detail. To move faster through code, we show you some other options also. By default, the debugger skips over non-user code if you want more details, see Just My Code.
Draw method call, and then press F10 one more time. Notice this time that the debugger does not step into the Draw method of the base class Shape. F10 advances the debugger without stepping into functions or methods in your app code the code still executes. By pressing F10 on the base. Draw method call instead of F11 , we skipped over the implementation code for base. Draw which maybe we're not interested in right now. In the code editor, scroll down and hover over the Console. WriteLine method in the Triangle class until the green Run to Click button appears on the left.
The tooltip for the button shows "Run execution to here". The Run to Click button is new in Visual Studio If you don't see the green arrow button, use F11 in this example instead to advance the debugger to the right place. Click the Run to Click button. Using this button is similar to setting a temporary breakpoint.
Run to Click is handy for getting around quickly within a visible region of app code you can click in any open file. The debugger advances to the Console. By continuing to browse this site, you agree to this use. Learn more. Take a quick, 5 minute survey to help us make Visual Studio and its Azure-related experiences better. Take the survey. NET Free.
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