You can step through your code and look at the values stored in variables, you can set watches on variables to see when values change, you can examine the execution path of your code, see whether a branch of code is running, and so on. When you do this, the debugger provides many ways to see what your code is doing while it runs. When you debug your app, it usually means that you are running your application with the debugger attached. If you want a higher-level view of the debugger features, see First look at the debugger. This article introduces the features of the Visual Studio debugger in a step-by-step walkthrough. The following articles show C# code examples, but the concepts apply to all languages supported by Visual Studio.Applies to: Visual Studio Visual Studio for Mac Visual Studio Code Next, you can start learning how to debug with Visual Studio and how to write code with less bugs. In this article, you've learned a few general debugging concepts. some other tool, you will also learn how to use the debugger more effectively. Sometimes, the right "tool" might be a better coding practice. However, context is king, and it is important to leverage all the tools at your disposable to help you quickly eliminate bugs or errors. The debugger is an essential tool to find and fix bugs in your apps. A release build is optimized for performance, but a debug build is better for debugging. You build the debug version for debugging and the release version for the final release distribution. Visual Studio projects have separate release and debug configurations for your program. When you switch this setting, you change your project from a debug configuration to a release configuration. If you have a project open, choose the drop-down selector where it says Debug and choose Release instead. This enables a full set of debugging features that you can use to help find bugs in your app. When you start the app (press the green arrow or F5) in a debug configuration, you start the app in debug mode, which means you are running your app with a debugger attached. If you are new to Visual Studio, this can leave the impression that debugging your app has something to do with running your app-which it does-but these are fundamentally two very different tasks.Ī Debug value indicates a debug configuration. By default, the Debug value appears in the drop-down to the left. When you run your app in Visual Studio for the first time, you may start it by pressing the green arrow button in the toolbar (or F5). In the debugging documentation for Visual Studio, this is typically what we mean when we say "debugging". Or, you might debug by using a debugger.Ī debugger is a very specialized developer tool that attaches to your running app and allows you to inspect your code. You might debug code by using a performance profiler. For example, you might debug by scanning your code looking for typos, or by using a code analyzer. The term debugging can mean a lot of different things, but most literally, it means removing bugs from your code. This way, when we talk later about finding and fixing bugs, we'll be talking about the same thing. Before we show how to use it, we want to talk about some terms such as debugger, debugging, and debug mode. The Visual Studio debugger is a powerful tool. Applies to: Visual Studio Visual Studio for Mac Visual Studio Code
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