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If the current line contains a call to a method or function, this icon will not step into that method or function, but go to the next line after the call. If the current line contains a call to a method or function, this icon will single step the debugger into that method or function. Stop the run currently being debugged and immediately begin a new run. Stop program execution at the currently executing line. Click and drag to move the toolbar to a new location. Table 21-1 shows the icons that appear on the Debug toolbar (unless you customize it to your own needs). To make it visible, click on the View/Toolbars menu commands, and then click on Debug, if it is not already checked. The most powerful way to control the configuration for debugging is to bring up the properties window for the project itself by right-clicking on the project in the Solution Explorer window and then choosing the Configuration Properties/Debugging option in the left pane, as shown in Figure 21-7.Ī Debug toolbar is available in the IDE. The Configuration Manager lets you modify the configuration (e.g., for Debug builds) or create new configurations for special requirements. The Configuration Manager option brings up the Configuration Manager dialog box, shown in Figure 21-6. You'll find a drop-down menu that lets you switch between Debug and Release and invoke the Configuration Manager, as shown in Figure 21-5. Look at the top of the Toolbar in the Visual Studio. The debug mode turns off optimizations (which can otherwise make debugging tricky) and adds back the symbolic information (the C# or VB.NET code) that helps you to figure out what is going wrong. The Release configuration mode is designed to strip out all the debugging information (which might otherwise bloat your program) and turn on optimizations (which will make your program run faster). You can compile your program in either Debug or Release mode (or in a custom mode you create for yourself). NET for debugging, you must set up to run your program in Debug mode (this is the default, so you really don't have to do very much). Syntax errors are easy as pie runtime errors, though, can be tricky, which is where the debugger can really help you out. In fact, if you double-click on the line in the task list, you are taken directly to the semicolon for easy deletion. Notice the underlined semicolon at the end of the for statement and note that the Task list also flags that line as a potential problem. NET (with a red, squiggly line) before you even try to compile, as shown in Figure 21-4. NETthe error is highlighted by Visual Studio.
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"MessageBoxCounter",MessageBoxButtons.OK,Ĭan you spot the error? Now take a look at it in Visual Studio. Private void mnuStartLoop_Click(object sender, System.EventArgs e)
#Set icon in treeview for usercontrol visual studio code
NET to find.Ĭonsider the following C# code that will not compile: Fortunately, this is the easiest kind of error for Visual Studio. The brain tends to see what it expects to see, and finding syntax errors can be terribly difficult. Some readers will see the mistake only when they actually place their index fingers on the page and mark off each word. Many readers will see this as "Paris in the spring" even after reading it a few times. For example, read the sentence in Figure 21-3. NET debugger, please see Mastering Visual Studio. For complete coverage of the Visual Studio.
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This section provides a brief introduction to the most important parts of the debugger within Visual Studio.
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The debugger is one of the most powerful tools at your disposal for learning Windows programming.
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A good symbolic debugger is like a full motion CAT scan of your program. As you walk through the code, you can see the variables change values and watch as objects are created and destroyed. When you run your code in the debugger, you can literally watch your code progress, step by step. The easiest and best way to avoid bugs is to let Visual Studio.