Winforms: The Basics of Debugging Using Visual Studio
When creating a new Windows Form application, you’ll experience issues or bugs in your code. This is part of the normal development process, and you’ll need to debug your code to find the cause of any problems.
Visual Studio has many tools you’re able to use to help you debug parts of your code. This includes adding breakpoints to certain lines of code and stepping through them line by line. This will help you to identify the values of variables at certain points.
it’s possible to also use the immediate window to print certain variables onto the command line.
How to Add Breakpoints to the C# File
Before running your application, you can add multiple breakpoints to certain lines of code, within the C# code-behind files. Once you run the application, the program will pause when it hits a breakpoint. You can then view a list of variables and all their values at that point.
btnConvert
txtCelcius
txtFahrenheit
How to Step Through the Functions and View Local Variable Values
When you run your application, it will stop at the first breakpoint. you may use theStep Into,Step Over, orStep Outbuttons to debug each line of the application.
How to View Values Using the Immediate Window
The immediate window tab allows you to print the values of any existing variables, and can be a very useful tool while debugging. you’re able to also write one-line freestyle code, to experiment with getting different results and values.
Debugging Winforms Applications to Investigate Errors
Hopefully, you now understand how to debug a Windows Form application. By using breakpoints, and stepping through each line, you should now be able to determine the root cause of any issues that may be occurring.
Now you could continue to maintain and keep any apps you build almost bug-free!
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