Скачать или смотреть Resolving CS7036: Correspondence of Arguments in C# Method Parameters

Learn how to effectively fix the "No argument given that corresponds to the required formal parameter" error in C# . This guide breaks down potential solutions and provides examples.
---
This video is based on the question https://stackoverflow.com/q/71705230/ asked by the user 'HackerDragon' ( https://stackoverflow.com/u/16743686/ ) and on the answer https://stackoverflow.com/a/71705345/ provided by the user 'Caius Jard' ( https://stackoverflow.com/u/1410664/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: CS7036: No argument given that corresponds to the required formal parameter

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Resolving CS7036: Correspondence of Arguments in C# Method Parameters

When coding in C# , encountering errors can be frustrating, especially when you're not sure why they occur or how to fix them. One common error might be the CS7036 message, which indicates that a method requires a specific parameter, but no corresponding argument was provided in the method call. In this post, we'll break down the issue and provide clear solutions.

Understanding the Problem

In C# , every method can have parameters, which are placeholders for the values you'll provide when you call that method. The error CS7036 arises when a method with required parameters is invoked without supplying the necessary arguments.

Let's take a look at a code example to better understand the issue:

[[See Video to Reveal this Text or Code Snippet]]

In the above method, ChangeDirection requires a Collision parameter named collision. If you attempt to call it like this:

[[See Video to Reveal this Text or Code Snippet]]

You'll get the error: CS7036: There is no argument given that corresponds to the required formal parameter 'collision'.

What Are Your Options?

When faced with this error, you have a few options to resolve the issue:

Provide a Collision Argument When Calling the Method:

If you have an instance of a Collision object that you can pass in, this is usually the best and simplest approach. Here's an example:

[[See Video to Reveal this Text or Code Snippet]]

Modify the Method to Accept No Parameters:

If you don’t need to pass a Collision instance, you can change the method to take no parameters. However, be cautious; the method’s body may need modification as it currently relies on a parameter:

[[See Video to Reveal this Text or Code Snippet]]

Make the Collision Parameter Optional:

You can make the parameter optional by providing a default value:

[[See Video to Reveal this Text or Code Snippet]]

This allows the method to be called without any arguments, but you'll need to adjust the implementation to ensure that it can handle the case when collision is null.

How to Call the Method

When calling a method that includes parameters, you should not specify the type of the argument, just the variable name or the method that returns the necessary type:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

Errors such as CS7036 can be easily managed by understanding the requirements of your method parameters and ensuring that your method calls provide the corresponding arguments. By utilizing the strategies outlined above, you can resolve this issue effectively in your C# projects. Old frustrations can turn into smooth coding experiences when you have the right knowledge!

Summary

Understand method parameters: Required vs optional

Provide arguments: When calling methods, ensure that you supply necessary values.

Adapt methods as needed: Either modify the method signature or provide a sensible default.

With clear understanding and methods, you can tackle errors like CS7036 with confidence!